DELL U2424H Ultrasharp Monitor User Guide
- June 16, 2024
- Dell
Table of Contents
Del l Ul traSharp 24 Monitor – U2424H
Del l Ul traSharp 24 Monitor – U2424H, without stand
Del l Ul traSharp 24 USB-C® Hub Monitor – U2424HE
User’s Guide
Model : U2424H/U2424H WOST/U2424HE
Regulatory model : U2424Hb/U2424Ht/U2424HEb
NOTE: A NOTE indicates important information that helps you make better
use of your computer.
CAUTION: A CAUTION indicates potential damage to hardware or loss of data
if instructions are not fol lowed.
WARNING: A WARNING indicates a potential for property damage, personal
injury, or death.
Safety instructions
Use the following safety guidelines to protect your monitor from potential
damage and to ensure your personal safety. Unless otherwise noted, each
procedure included in this document assumes that you have read the safety
information that shipped with your monitor.
NOTE: Before using the monitor, read the safety instruction that is
shipped with your monitor and printed on the product. Keep the documentation
at a secure location for future reference.
WARNING: Use of controls, adjustments, or procedures other than those
specified in this documentation may result in exposure to shock, electrical
hazards, and/or mechanical hazards.
WARNING: The possible long-term effect of listening to audio at high
volume through the headphones (on monitor that support it) may cause damage to
your hearing ability.
-
Place the monitor on a solid surface and handle it carefully. The screen is fragile and can be damaged if dropped or hit with a sharp object.
-
Ensure that your monitor is electrically rated to operate with the AC power available in your location.
-
Keep the monitor in room temperature. Excessive cold or hot conditions can have an adverse effect on the liquid crystals of the display.
-
Connect the power cable from the monitor to a wall outlet that is near and accessible. See Connecting your monitor.
-
Do not place and use the monitor on a wet surface or near water.
-
Do not subject the monitor to severe vibration or high impact conditions. For example, do not place the monitor inside a car trunk.
-
Unplug the monitor when it is going to be left unused for an extended period.
-
To avoid electric shock, do not attempt to remove any cover or touch the inside of the monitor.
-
Read these instructions carefully. Keep this document for future reference.
Follow all warnings and instructions marked on the product. -
Certain monitors can be wall mounted using the VESA mount that is sold separately. Ensure to use the correct VESA specifications as mentioned in the wall mounting section of the User’s Guide.
For information on safety instructions, see the Safety, Environmental, and Regulatory Information (SERI) document that is shipped with your monitor.
About your monitor
Package contents
The following table provides the list of components that are shipped with your
monitor. If any component is missing, contact Dell. For more information, see
Contacting Dell.
NOTE: Some items may be optional and may not ship with your monitor.
Some features may not be available in certain countries.
| Display
---|---
| Stand riser
| Stand base
| Power cable (varies by country)
| USB Type-C Gen2 cable (applicable for U2424HE only)
Cable length: 1.00 M
| DisplayPort 1.4 cable (DP to DP) Cable length: 1.80 M
| USB-A to USB-C Gen2 cable Cable length: 1.00 M
| • Quick Setup Guide
• Safety, Environmental, and Regulatory Information
• Factory Calibration Report
Product features
The Dell U2424H/U2424H WOST/U2424HE monitor has an active matrix, ThinFilm
Transistor (TFT), Liquid Crystal Display (LCD) and LED backlight. The monitor
features include:
-
60.47 cm (23.80 in.) viewable area (measured diagonally). 1920 x 1080 (16:9) resolution, plus full-screen support for lower resolutions.
-
Wide viewing angle to allow viewing from a sitting or standing position.
-
Color gamut of sRGB 100% and BT.709 100% with an average Delta E < 2; also supports DCI-P3 85%.
-
Digital connectivity with DisplayPort, HDMI, and USB Type-C (with DP Alternate Mode; applicable for U2424HE only).
-
Single USB Type-C to supply power (PD 90 W) to a compatible notebook while receiving video and data signal (applicable for U2424HE only).
-
Tilt, swivel, height, and rotate adjustment capabilities.
-
Ultra-thin bezel minimizes the bezel gap in multi-monitor usage, enabling easier setup with an elegant viewing experience.
-
Removable stand and Video Electronics Standards Association (VESA™) 100 mm mounting holes for flexible mounting solutions.
-
Auto Brightness sensor detects the surrounding light and adjusts monitor brightness and color temperature accordingly; multiple Dell monitors equipped with Auto Brightness sensor could synchronize their brightness and color temperature level through MST connection.
-
U2424H/U2424H WOST is equipped with:
-One USB Type-C upstream port (data only, USB 3.2 Gen2, 10 Gbps)
-Two SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream ports
-One SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream with BC1.2 charging port
-One SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-C downstream port -
U2424HE is equipped with:
-One USB Type-C upstream port (video and data; DisplayPort 1.4 with Alternate mode, PD up to 90 W)
-One USB Type-C upstream port (data only, USB 3.2 Gen2, 10 Gbps)
-Three SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream ports
-One SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream with BC1.2 charging port
-One SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-C downstream port -
USB Type-C and RJ45 ports enable a single-cable, network-connected experience (applicable for U2424HE only).
-
Plug-and-play capability if supported by your computer.
-
On-Screen Display (OSD) adjustments for ease of set-up and screen optimization.
-
Power and OSD buttons lock.
-
Security-lock slot.
-
Stand lock.
-
< 0.5 W in Standby Mode.
-
The monitor supports DRR (Dynamic refresh rate) function. DRR works with all Windows 11 tasks, allowing you to automatically increase the refresh rate (for smoother experience) while using the PC or NB to writing or scrolling, and lower the refresh rate when you don’t need it, which saves more power.
-
This monitor uses a low blue light panel. When the monitor is reset to factory settings or default setting, it is in compliance with TÜV Rheinland’s hardware low blue light certification.*
Blue light ratio:
The ratio of light in the range from 415nm-455nm compared to 400nm-500nm shall be less than 50%. Category| Blue light ratio
---|---
1| < 20%
2| 20% < R < 35%
3| 35% < R < 50% -
Decreases the level of hazard blue light emitted from the screen to make viewing more comfortable for your eyes without distortion of color accuracy.
-
The monitor adopts Flicker-Free technology, which clears the eye visible flicker, brings comfort viewing experience and preventing users suffer from eye strain and fatigue.
-
This monitor is in compliance with TÜV Rheinland hardware low blue light certification under Category 2.
WARNING: The possible long-term effects of blue light emission from the monitor may cause damage to the eyes, which includes but is not imited to eye fatigue and digital eye strain. ComfortView Plus feature is designed to reduce the amount of blue light emitted from the monitor to optimize eye comfort. The monitor uses low blue light panel and is in compliance with TÜV Rheinland at factory reset/default setting mode (Brightness: 75%, Contrast: 75%, CCT: Standard)
Identifying parts and controls
Front view
Front view with monitor stand
No. | Description | Use |
---|---|---|
1 | Power LED indicator | Solid white light indicates that the monitor is |
turned on and functioning normally. Blinking white light indicates that the monitor is in Standby Mode.
Top view
No. | Description | Use |
---|---|---|
1 | Auto Brightness sensor | Adjusts the brightness and the color |
temperature of the display according to the surrounding light. For more
information, see Auto Brightness and Auto Color Temp..
NOTE: If the brightness level becomes abnormally low, see
Troubleshooting.
Back view
Back view with monitor stand
No. | Description | Use |
---|---|---|
1 | VESA mounting holes (100 mm x 100 mm – behind the attached VESA | |
Cover) | Wall mount monitor using VESA- compatible wall mount kit (100 mm x 100 |
mm).
2| Regulatory label| Lists the regulatory approvals.
3| Stand release button| Releases stand from the monitor.
4| Barcode, serial number, and Service Tag label| See this label if you
need to contact Dell for technical support. The Service Tag is a unique
alphanumeric identifier that enables Dell service technicians to identify the
hardware components in your monitor and access warranty information.
5| Power button| To turn the monitor on or off.
6| Joystick| Use to control the OSD menu. For more Information, see
Operating the monitor.
7| Cable-management slot| Use to organize cables by routing them through
the slot.
Rear and bottom view
U2424H/U2424H WOST
No. | Description | Use |
---|---|---|
1 | Security-lock slot (based on Kensington Security Slot) | Secure your |
monitor using a security lock (purchased separately) to prevent unauthorized
movement of your monitor.
2| Power connector| Connect the power cable (shipped with your monitor).
3| HDMI port| Connect your computer with the HDMI cable.
4| DisplayPort| Connect your computer with the DisplayPort cable
(shipped with your monitor).
5| Stand lock| To lock the stand to the monitor using a M3 x 6 mm screw
(the screw is not included).
6| DisplayPort (out) | DisplayPort output for MST (multi-stream
transport) capable monitor. To enable MST, see Connecting the monitor for DP
Multi- Stream Transport (MST) function.
NOTE: Remove the rubber plug when using DisplayPort out connector.
7| SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-C upstream port (data
only)| Connect the USB A-C cable (shipped with your monitor) from the monitor
to the computer. This port supports USB data transfer at 10 Gbps (USB 3.2
Gen2). Once this cable is connected, you can use the USB connectors on the
monitor.
NOTE: USB Type-C is not supported on versions of Windows prior to Windows
10 and Windows 11.
---|---|---
8| SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream ports|
Connect your USB device.
NOTE: To use these ports, you must connect the USB A-C cable (shipped
with your monitor) to the USB Type-C upstream port (data only) on the monitor
and to your computer.
9*| Audio line-out port| Connect external speakers.
10| SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream ports|
Connect your USB device.
NOTE: To use these ports, you must connect the USB A-C cable (shipped
with your monitor) to the USB Type-C upstream port (data only) on the monitor
and to your computer.
11| SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream with BC1.2
charging port| Connect your USB device or charge your device.
NOTE: To use this port, you must connect the USB A-C cable (shipped with
your monitor) to the USB Type-C upstream port (data only) on the monitor and
to your computer.
12| SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-C downstream port (10
Gbps, 15 W)| Connect your USB device.
NOTE: To use this port, you must connect the USB A-C cable (shipped with
your monitor) to the USB Type-C upstream port (data only) on the monitor and
to your computer.
13**| Soundbar slots| Attach your external Soundbar (sold separately) to
the monitor by aligning the magnetic tabs on the soundbar with the slots on
the monitor.
*Headphone usage is not supported for the audio line out connector.
To avoid signal interference, when a wireless USB device has been connected
to a USB downstream port, it is not recommended to connect any other USB
devices to the adjacent port(s).
U2424HE**
Rear and bottom view without monitor stand
No. | Description | Use |
---|---|---|
1 | Security-lock slot (based on Kensington Security Slot) | Secure your |
monitor using a security lock (purchased separately) to prevent unauthorized
movement of your monitor.
2| Power connector| Connect the power cable (shipped with your monitor).
3| HDMI port| Connect your computer with the HDMI cable.
4| DisplayPort| Connect your computer with the DisplayPort cable
(shipped with your monitor).
5| Stand lock| To lock the stand to the monitor using a M3 x 6 mm screw
(the screw is not included).
6| SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-C upstream port (video and
data)| Connect the USB Type-C cable (shipped with your monitor) from the
monitor to the computer or notebook. This port supports USB Power Delivery,
Data, and DisplayPort video signal.
The SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-C port offers the fastest
transfer rate and the alternate mode with DP 1.4 supports a maximum resolution
of 1920 x 1080 at 120 Hz, PD 20 V/4.5 A, 15 V/3 A, 9 V/3 A, 5 V/3 A.
NOTE: USB Type-C is not supported on versions of Windows prior to Windows
10 and Windows 11.
---|---|---
7| DisplayPort (out) | DisplayPort output for MST (multi-stream
transport) capable monitor. To enable MST, see Connecting the monitor for DP
Multi- Stream Transport (MST) function.
NOTE: Remove the rubber plug when using DisplayPort out connector.
8| SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-C upstream port (data
only) | Connect the USB A-C cable (shipped with your monitor) from the monitor
to the computer. This port supports USB data transfer at 10 Gbps (USB 3.2
Gen2). Once this cable is connected, you can use the USB connectors on the
monitor.
NOTE: USB Type-C is not supported on versions of Windows prior to Windows
10 and Windows 11.
NOTE: Remove the rubber plug when using USB Type-C upstream port (data
only) connector.
9| SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream ports (3)|
Connect your USB device.
NOTE: To use these ports, you must connect the USB Type-C cable (shipped
with your monitor) to the USB Type-C upstream port (video and data) (#6) or
connect the USB A- C cable (shipped with your monitor) to the USB Type-C
upstream port (data only) (#8) on the monitor and to your computer.
---|---|---
10*| Audio line-out port| Connect external speakers.
11| RJ45 port| Support Ethernet connection 10/100/1000/ 2500 Mbps.
Connect this port to Ethernet with RJ45 cable. You can use either the USB
Type-C cable or the USB A-C cable that are shipped with your monitor to make
USB connection and complete the setup.
12| SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream port with
Type-A downstream with BC1.2 charging port| Connect your USB device or
charge your device.
NOTE: To use these ports, you must connect the USB Type-C cable (shipped
with your monitor) to the USB Type-C upstream port (video and data) (#6) or
connect the USB A- C cable (shipped with your monitor) to the USB Type-C
upstream port (data only) (#8) on the monitor and to your computer.
13| SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-C downstream port (10
Gbps, 15 W)| Connect your USB device.
NOTE: To use these ports, you must connect the USB Type-C cable (shipped
with your monitor) to the USB Type-C upstream port (video and data) (#6) or
connect the USB A- C cable (shipped with your monitor) to the USB Type-C
upstream port (data only) (#8) on the monitor and to your computer.
14| Soundbar slots| Attach your external Soundbar (sold separately) to
the monitor by aligning the magnetic tabs on the soundbar with the slots on
the monitor.
*Headphone usage is not supported for the audio line out connector.
To avoid signal interference, when a wireless USB device has been connected
to a USB downstream port, it is not recommended to connect any other USB
devices to the adjacent port(s).
Monitor specifications**
Model | U2424H/U2424H WOST/U2424HE |
---|---|
Screen type | Active matrix – TFT LCD |
Panel technology | In-Plane Switching Technology |
Aspect ratio | 16:9 |
Viewable Image
Diagonal Width (active area) Height (active area) Total area| 604.70 mm (23.80
in.)
527.04 mm (20.75 in.)
296.46 mm (11.67 in.)
156246.28 mm2 (242.18 in.2)
Pixel pitch| 0.2745 mm x 0.2745 mm
Pixel per inch (PPI)| 92.53
Viewing angle
Vertical
Horizontal| 178° (typical)
178° (typical)
Luminance output| 250 cd/m² (typical)
Contrast ratio| 1000 to 1 (typical)
Faceplate coating| Anti-Glare with 3H hardness
Backlight| LED Edgelight System
Response time| 8 ms (Normal OD)
5 ms (Fast OD)
Color depth| 16.7 million colors
Color gamut| • sRGB 100%
• BT.709 100%
• DCI-P3 85%
Calibration accuracy| sRGB and BT.709: Delta E < 2 (average)
Connectivity| • 1 x DisplayPort version 1.4 (DRR for Microsoft Windows) (HDCP
1.4)* (supports up to FHD 1920 x 1080 120 Hz)
• 1 x HDMI port version 1.4 (HDCP 1.4) (supports up to FHD 1920 x 1080 120 Hz
TMDS as per specified in HDMI 1.4)
• 1 x DisplayPort (Out) with MST (HDCP 1.4)
• 1 x USB Type-C upstream port (video and data)
(Alternate mode with DisplayPort 1.4, Power Delivery PD up to 90 W)
(applicable for U2424HE only)**
• 1 x USB Type-C upstream port (data only, 10 Gbps USB 3.2 Gen2)
• 2 x SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream ports
(applicable for U2424H/ U2424H WOST only)
• 3 x SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream ports
(applicable for U2424HE only)
• 1 x audio line-out port
• 1 x RJ45 port (applicable for U2424HE only) Quick Access:
• 1 x USB Type-C downstream port with charging capability at 15 W (maximum)
• 1 x SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream port with BC1.2
charging capability at 2 A (maximum)
---|---
Border width (edge of monitor to active area)
Top
Left/Right
Bottom| 5.80 mm
5.80 mm
8.95 mm
Adjustability
Height adjustable stand
Tilt
Swivel
Pivot| 150 mm
-5° to 21°
-45° to 45°
-90° to 90°
Dell Display Manager compatibility| Easy Arrange and other key features
Security| Security-lock slot (cable lock sold separately)
*DisplayPort 1.4/MST/DP audio is supported.
HBR3/DisplayPort 1.4/MST/DP audio is supported.
Resolution specifications**
Model | U2424H/U2424H WOST/U2424HE |
---|---|
Horizontal scan range | 31 kHz to 135 kHz (automatic) |
Vertical scan range | 48 Hz to 120 Hz (automatic) |
Default preset resolution | 1920 x 1080 at 60 Hz |
Maximum preset resolution | 1920 x 1080 at 120 Hz |
Supported video modes
Model | U2424H/U2424H WOST |
---|---|
Video display capabilities (HDMI and DisplayPort) | 480p, 576p, 720p, 1080i*, |
1080p
Model| U2424HE
---|---
Video display capabilities (HDMI, DisplayPort, and USB-C alternate mode)|
480p, 576p, 720p, 1080i*, 1080p
*For HDMI input only.
Preset display modes
Display Mode| Horizontal Frequency (kHz)| Vertical
Frequency (Hz)| Pixel Clock (MHz)| Sync Polarity (Horizontal
/Vertical)
---|---|---|---|---
VESA, 640 x 480| 31.5| 59.9| 25.2| -/-
VESA, 640 x 480| 37.5| 75.0| 31.5| -/-
720 x 400| 31.5| 70.1| 28.3| -/+
720 x 480| 31.5| 59.9| 27.0| -/-
VESA, 800 x 600| 37.9| 60.3| 40.0| +/+
VESA, 800 x 600| 46.9| 75.0| 49.5| +/+
VESA, 1024 x 768| 48.4| 60.0| 65.0| -/-
VESA, 1024 x 768| 60.0| 75.0| 78.8| +/+
VESA, 1152 x 864| 67.5| 75.0| 108.0| +/+
1280 x 720| 44.8| 59.9| 74.5| -/+
1280 x 720| 56.5| 74.8| 95.8| -/+
VESA, 1280 x 720| 45.0| 60.0| 74.3| +/+
VESA, 1280 x 1024| 64.0| 60.0| 108.0| +/+
VESA, 1280 x 1024| 80.0| 75.0| 135.0| +/+
VESA, 1600 x 900| 60.0| 60.0| 108.0| +/+
VESA, 1920 x 1080| 67.5| 60.0| 148.5| +/+
1920 x 1080| 135.0| 120.0| 297.0| +/+
NOTE: The + or – sign in Sync polarity denotes that the video sync signal
is triggered by either the positive edge or the negative edge, respectively.
Multi-Stream Transport (MST) modes
Using USB Type-C (applicable for U2424HE only):
MST Source Monitor| Maximum Number of External Monitor that can be
Supported
---|---
1920 x 1080 at 120 Hz
1920 x 1080 at 120 Hz| 2 (with USB-C DP Alt mode)
Using DisplayPort:
MST Source Monitor| Maximum Number of External Monitor that can be
Supported
---|---
1920 x 1080 at 120 Hz
1920 x 1080 at 120 Hz| 2
Electrical specifications
Model | U2424H/U2424H WOST | U2424HE |
---|---|---|
Video input signals | • HDMI 1.4*/DisplayPort 1.4**, 600 mV for each |
differential line, 100 ohm input impedance per differential pair
• USB Type-C (with Alternate mode) signal input support (applicable for
U2424HE only)***
AC input voltage/ frequency/current| 100 VAC to 240 VAC / 50 Hz or 60 Hz ± 3
Hz / 1.5 A (typical)| 100 VAC to 240 VAC / 50 Hz or 60 Hz ± 3 Hz / 2.2 A
(typical)
Inrush current| • 120 V: 30 A (Max.) at 0°C (cold start)
• 240 V: 60 A (Max.) at 0°C (cold start)| • 120 V: 40 A (Max.) at 0°C (cold
start)
• 240 V: 80 A (Max.) at 0°C (cold start)
Power consumption| • 0.3 W (Off mode)1
• 0.5 W (Standby mode)1
• 13.7 W (On mode)1
• 72.0 W (Max.)2
• 11.3 W (Pon)3
• 36.6 kWh (TEC)3| • 0.3 W (Off mode)1
• 0.5 W (Standby mode)1
• 14.5 W (On mode)1
• 1.5 W (Networked standby mode)1
• 210.0 W (Max.)2
• 13.6 W (Pon)3
• 46.2 kWh (TEC)3
Not supporting the HDMI 1.4 optional specification, including HDMI Ethernet Channel (HEC), Audio Return Channel (ARC), standard for 3D format and resolutions, and standard for 4K digital cinema resolution.
DisplayPort 1.4/MST/DP audio is supported.
HBR3/DisplayPort 1.4/MST/DP audio is supported.
1 As defined in EU 2019/2021 and EU 2019/2013.
2 Max brightness and contrast setting with maximum power loading on all USB
ports.
3 Pon: Power consumption of On mode as defined in Energy Star 8.0 version.
TEC: Total energy consumption in kWh as defined in Energy Star 8.0 version.
This document is informational only and reflects laboratory performance. Your
product may perform differently, depending on the software, components and
peripherals you ordered and shall have no obligation to update such
information.
Accordingly, the customer should not rely upon this information in making
decisions about electrical tolerances or otherwise. No warranty as to accuracy
or completeness is expressed or implied.
NOTE: This monitor is ENERGY STAR certified. This product qualifies for ENERGY STAR in the factory default settings which can be restored by “Factory Reset” function in the OSD menu. Changing the factory default settings or enabling other features may increase power consumption that could exceed the ENERGY STAR specified limit.
Physical characteristics
Model | U2424H/U2424H WOST/U2424HE |
---|---|
Signal cable type | • Digital: DisplayPort, 20 pins |
• Universal Series Bus: Type-C, 24 pins (applicable for U2424HE only)
• Universal Serial Bus: USB A-C
NOTE: Dell monitors are designed to work optimally with the video cables
that are shipped with your monitor. As Dell does not have control over the
different cable suppliers in the market, the type of material, connector and
process used to manufacture these cables, Dell does not guarantee video
performance on cables that are not shipped with your Dell monitor.
Dimensions (with stand)
Height (extended)| 496.53 mm (19.55 in.)
Height (compressed)| 364.00 mm (14.33 in.)
Width| 538.64 mm (21.21 in.)
Depth| 181.75 mm (7.16 in.)
Dimensions (without stand)
Height| 311.21 mm (12.25 in.)
Width| 538.64 mm (21.21 in.)
Depth| 49.10 mm (1.93 in.)
Stand dimensions
Height (extended)| 410.80 mm (16.17 in.)
Height (compressed)| 364.00 mm (14.33 in.)
Width| 249.80 mm (9.83 in.)
Depth| 181.75 mm (7.16 in.)
Base| 249.80 mm x 177.00 mm (9.83 in. x 6.97 in.)
Monitor weight
Model| U2424H| U2424H WOST| U2424HE
Weight with packaging| 7.92 kg (17.46 lb)| 6.35 kg (14.00 lb)| 8.45 kg (18.62
lb)
Weight with stand assembly and cables| 5.38 kg (11.86 lb)| NA| 5.91 kg (13.03
lb)
Weight without stand assembly and with cables| NA| 3.80 kg (8.38 lb)| NA
Weight without stand assembly (For wall mount or VESA mount considerations –
no cables)| 3.52 kg (7.76 lb)| 3.52 kg (7.76 lb)| 3.98 kg (8.77 lb)
Weight of stand assembly| 1.57 kg (3.46 lb)| NA| 1.57 kg (3.46 lb)
Environmental characteristics
Model | U2424H/U2424H WOST | U2424HE |
---|
Compliant standards
• ENERGY STAR certified monitor
• EPEAT registered where applicable. EPEAT registration varies by country. See
www.epeat.net for registration status by country.
• RoHS-compliant
• TCO Certified & TCO Certified Edge
• BFR/PVC free monitor (excluding external cables)
• Arsenic-free glass and Mercury-free for the panel only
Temperature
Operating| 0°C to 40°C (32°F to 104°F)
Non-operating| • Storage: -20°C to 60°C (-4°F to 140°F)
• Shipping: -20°C to 60°C (-4°F to 140°F)
Humidity
Operating| 10% to 80% (non-condensing)
Non-operating| • Storage: 5% to 90% (non-condensing)
• Shipping: 5% to 90% (non-condensing)
Altitude
Operating| 5000 m (16404 ft) (maximum)
Non-operating| 12192 m (40000 ft) (maximum)
Thermal dissipation| • 245.7 BTU/Hour (Maximum)
• 46.7 BTU/Hour (On mode)| • 716.5 BTU/Hour (Maximum)
• 49.5 BTU/Hour (On mode)
Pin assignments
DisplayPort connector
Pin Number | 20-pin side of the connected signal cable |
---|---|
1 | ML3 (n) |
2 | GND |
3 | ML3 (p) |
4 | ML2 (n) |
5 | GND |
6 | ML2 (p) |
7 | ML1 (n) |
8 | GND |
9 | ML1 (p) |
10 | ML0 (n) |
11 | GND |
12 | ML0 (p) |
13 | GND |
14 | GND |
15 | AUX (p) |
16 | GND |
17 | AUX (n) |
18 | Hot Plug Detect |
19 | Re-PWR |
20 | +3.3 V DP_PWR |
HDMI connector
Pin Number | 19-pin side of the connected signal cable |
---|---|
1 | TMDS DATA 2+ |
2 | TMDS DATA 2 SHIELD |
3 | TMDS DATA 2- |
4 | TMDS DATA 1+ |
5 | TMDS DATA 1 SHIELD |
6 | TMDS DATA 1- |
7 | TMDS DATA 0+ |
8 | TMDS DATA 0 SHIELD |
9 | TMDS DATA 0- |
10 | TMDS CLOCK+ |
11 | TMDS CLOCK SHIELD |
12 | TMDS CLOCK- |
13 | CEC |
14 | Reserved (N.C. on device) |
15 | DDC CLOCK (SCL) |
16 | DDC DATA (SDA) |
17 | DDC/CEC Ground |
18 | +5 V POWER |
19 | HOT PLUG DETECT |
Universal Serial Bus (USB) interface
This section gives you information about the USB ports that are available on
the monitor.
NOTE: This monitor is SuperSpeed USB 10 Gbps (USB 3.2 Gen2) compatible.
SuperSpeed USB 10 Gbps (USB 3.2 Gen2)
Transfer speed | Data rate | **Maximum power supported*** |
---|---|---|
Super speed | 10 Gbps | 4.5 W |
High speed | 480 Mbps | 4.5 W |
Full speed | 12 Mbps | 4.5 W |
*Up to 2 A on USB downstream port (with battery icon) with BC1.2 compliance devices or normal USB devices.
USB Type-C
USB Type-C (applicable for U2424HE only) | Description |
---|---|
Video | DisplayPort 1.4* |
Data | SuperSpeed USB 10 Gbps (USB 3.2 Gen2) |
Power Delivery (PD) | Up to 90 W |
*HBR3/DisplayPort 1.4/MST/DP audio is supported.
USB 3.2 downstream connector
Pin number | Signal name | Pin number | Signal name |
---|---|---|---|
1 | VBUS | 6 | StdA_SSRX+ |
2 | D- | 7 | GND_DRAIN |
3 | D+ | 8 | StdA_SSTX- |
4 | GND | 9 | StdA_SSTX+ |
5 | StdA_SSRX- | Shell | Shield |
USB Type-C connector
Pin number | Signal name | Pin number | Signal name |
---|---|---|---|
A1 | GND | B1 | GND |
A2 | TX1+ | B2 | TX2+ |
A3 | TX1- | B3 | TX2- |
A4 | VBUS | B4 | VBUS |
A5 | CC1 | B5 | CC2 |
A6 | D+ | B6 | D+ |
A7 | D- | B7 | D- |
A8 | SBU1 | B8 | SBU2 |
A9 | VBUS | B9 | VBUS |
A10 | RX2- | B10 | RX1- |
A11 | RX2+ | B11 | RX1+ |
A12 | GND | B12 | GND |
USB ports
- One SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-C upstream port (video and data) (applicable for U2424HE only) – bottom
- One SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-C upstream port (data only) – bottom
- One SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-C downstream port – Quick Access
- Three SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream ports (applicable for U2424H/U2424H WOST only) – two at bottom; one at Quick Access
- Four SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-A downstream ports (applicable for U2424HE only) – three at bottom; one at Quick Access Power Charging Port – the port with battery icon; supports up to 2 A fast-charging capability if the device is BC1.2 compatible.
NOTE: SuperSpeed USB 10 Gbps (USB 3.2 Gen2) functionality requires a
SuperSpeed USB 10 Gbps (USB 3.2 Gen2)-capable computer.
NOTE: The USB ports on the monitor work only when the monitor is turned
on or in Standby Mode. If you turn off the monitor and then turn it on, the
attached peripherals may take a few seconds to resume normal functionality.
RJ45 connector (applicable for U2424HE only)
Pin | Signal |
---|---|
P1 | MDI0+ |
P2 | MDI0- |
P3 | MDI1+ |
P4 | MDI1- |
P5 | CT |
P6 | CT |
P7 | MDI2+ |
P8 | MDI2- |
P9 | MDI3+ |
P10 | MDI3- |
Pin number | Amber |
P11 | – |
P12 | + |
P13 | N/A |
P14 | N/A |
Driver installation
Install the Realtek USB GBE Ethernet Controller Driver available for your
system.
This is available for download at
www.dell.com/support. Enter your monitor
model number in the Search bar to identify the product, and then find the
software under Drivers & Downloads section.
Network (RJ45) data rate through USB-C max speed is 2500 Mbps.
Wake-on-LAN behavior
Computer power save state| Computer behavior after receiving Wake-
on-LAN (WOL) command
---|---
Modern Standby (S0ix)| Computer and monitor remain in Standby but network
communication enabled.
Standby/Sleep (S3)| Both Computer and monitor turned on.
Hibernate (S4)| Both Computer and monitor turned on.
OFF/Shutdown (S5)| Both Computer and monitor turned on.
NOTE: The computer BIOS must be configured to enable WOL function.
NOTE: This LAN port is 1000Base-T IEEE 802.3az compliant, supporting Mac
Address (Printed on model label) Pass-thru (MAPT), Wake-on-LAN (WOL) from
standby mode (S3 only) and UEFI PXE Boot function [UEFI PXE Boot is not
supported on Dell Desktop PC’s (except for OptiPlex 7090/3090 Ultra Desktop)],
these 3 features depend on BIOS settings and version of the OS. Functionality
may vary with non-Dell PC’s.
UEFI stands for Unified Extensible Firmware Interface.
NOTE: WOL S4 and WOL S5 only capable with Dell Systems that support DPBS
and is with USB-C connection only.
NOTE: Any issue related to WOL, user should debug the computer without
monitor. After the problem is solved, then connect to the Monitor.
RJ45 connector LED status
LED | Color | Description |
---|---|---|
Left LED | Green | Link / Activity indicator: |
• Blinking – Activity on the port.
• Green On – Link is being established.
• Off – Link is not established.
Right LED| Amber or Green| Speed indicator:
• Amber On – 2500/1000 Mbps
• Green On – 100 Mbps
• Off – 10 Mbps
NOTE: RJ45 cable is non in-box standard accessory.
Video Bandwidth
Host| Video Cable| USB-C Prioritization| Color Depth|
Resolution
---|---|---|---|---
USB-C (Alt Mode DP1.2)| USB-C Gen2 cable| High data speed| 8-bits| 1920 x 1080
@ 120 Hz
High resolution| 8-bits| 1920 x 1080 @ 120 Hz
USB-C (Alt Mode DP1.4)| USB-C Gen2 cable| High data speed| 8-bits| 1920 x 1080
@ 120 Hz
High resolution| 8-bits| 1920 x 1080 @ 120 Hz
HDMI 1.4| HDMI cable| N/A| 8-bits| 1920 x 1080 @ 120 Hz
DP 1.2| DP cable| N/A| 8-bits| 1920 x 1080 @ 120 Hz
DP 1.4| DP cable| N/A| 8-bits| 1920 x 1080 @ 120 Hz
USB Speed Bandwidth
Host| USB Upstream Cable| USB-C Prioritization| USB
Device connected to USB-A or C Downstream
---|---|---|---
USB-C (Alt Mode DP1.2)| USB-C Gen2 cable| High data speed| Supported, USB
2.0/3.2 Gen2
High resolution| Supported, USB 2.0
USB-C (Alt Mode DP1.4)| USB-C Gen2 cable| High data speed| Supported, USB
2.0/3.2 Gen2
High resolution| Supported, USB 2.0
USB-A 2.0| USB A – C cable| N/A| Supported, USB 2.0
USB-A 3.2 Gen1| USB A – C cable| N/A| Supported, USB 2.0/3.2 Gen1
USB-C 3.2 Gen1 (Data only)| USB-C Gen2 cable| N/A| Supported, USB 2.0/3.2 Gen1
USB-C 3.2 Gen2 (Data only)| USB-C Gen2 cable| N/A| Supported, USB 2.0/3.2 Gen2
Plug and play capability
You can connect the monitor to any Plug and Play-compatible system. The
monitor automatically provides the computer with its Extended Display
Identification Data (EDID) using Display Data Channel (DDC) protocols so that
the computer can configure itself and optimize the monitor settings. Most
monitor installations are automatic; you can select different settings as
required. For more information about changing the monitor settings, see
Operating the monitor.
LCD monitor quality and pixel policy
During the LCD Monitor manufacturing process, it is not uncommon for one or
more pixels to become fixed in an unchanging state which are hard to see and
do not affect the display quality or usability. For more information on Dell
Monitor Quality and Pixel Policy, see
www.dell.com/pixelguidelines.
Ergonomics
CAUTION: Improper or prolonged usage of keyboard may result in injury.
CAUTION: Viewing the monitor screen for extended periods of time may
result in eye strain.
For comfort and efficiency, observe the following guidelines when setting up
and using your computer workstation:
-
Position your computer so that the monitor and keyboard are directly in front of you as you work. Special shelves are commercially available to help you correctly position your keyboard.
-
To reduce the risk of eye strain and neck, arm, back, or shoulder pain from using the monitor for long periods of time, we recommend you to:
1. Set the distance of the screen between 20 to 28 in. (50 – 70 cm) from your eyes.
2. Blink frequently to moisten your eyes or wet your eyes with water after prolonged usage of the monitor
3. Take regular and frequent breaks for 20 minutes every two hours.
4. Look away from your monitor and gaze at a distant object that is 20 feet away for at least 20 seconds during the breaks.
5. Perform stretches to relieve tension in the neck, arm, back, and shoulders during the breaks. -
Ensure that the monitor screen is at eye level or slightly lower when you are sitting in front of the monitor.
-
Adjust the tilt of the monitor, its contrast, and brightness settings.
-
Adjust the ambient lighting around you (such as overhead lights, desk lamps, and the curtains or blinds on nearby windows) to minimize reflections and glare on the monitor screen.
-
Use a chair that provides good lower-back support.
-
Keep your forearms horizontal with your wrists in a neutral, comfortable position while using the keyboard or mouse.
-
Always leave space to rest your hands while using the keyboard or mouse.
-
Let your upper arms rest naturally on both sides.
-
Ensure that your feet are resting flat on the floor.
-
When sitting, make sure that the weight of your legs is on your feet and not on the front portion of your seat. Adjust your chair’s height or use a footrest if necessary, to maintain a proper posture.
-
Vary your work activities. Try to organize your work so that you do not have to sit and work for extended periods of time. Try to stand or get up and walk around at regular intervals.
-
Keep the area under your desk clear of obstructions and cables or power cords that may interfere with comfortable seating or present a potential trip hazard.
Handling and moving your display
To ensure that the monitor is handled safely when lifting or moving it, follow
these guidelines:
- Before moving or lifting the monitor, turn off your computer and the monitor.
- Disconnect all cables from the monitor.
- Place the monitor in the original box with the original packing materials.
- Hold the bottom edge and the side of the monitor firmly without applying excessive pressure when lifting or moving the monitor.
- When lifting or moving the monitor, ensure the screen is facing away from you and do not press on the display area to avoid any scratches or damage.
- When transporting the monitor, avoid any sudden shock or vibration to it.
- When lifting or moving the monitor, do not turn the monitor upside down while holding the stand base or stand riser. This may result in accidental damage to the monitor or cause personal injury.
Maintenance guidelines
Cleaning your monitor
CAUTION: Read and follow the Safety instructions before cleaning the
monitor.
WARNING: Before cleaning the monitor, unplug the monitor power cable from
the electrical outlet.
For best practices, follow the instructions in the list below when unpacking,
cleaning, or handling your monitor:
- Use a clean cloth that is slightly dampened with water to clean the stand assembly, the screen, and the chassis of your Dell monitor. If available, use a screen-cleaning tissue or solution suitable for cleaning Dell monitors.
- After cleaning the surface of the table, ensure that it is thoroughly dry and free from any moisture or cleaning agent before placing your Dell monitor on it.
CAUTION: Do not use detergents or other chemicals such as benzene,
thinner, ammonia, abrasive cleaners, alcohol, or compressed air.
CAUTION: Using chemicals for cleaning may cause changes in the appearance
of the monitor, such as color fading, milky film on the monitor, deformation,
uneven dark shade, and peeling of screen area.
WARNING: Do not spray the cleaning solution or even water directly on the
surface of the monitor. Doing so will allow liquids to accumulate at the
bottom of the display panel and corrode the electronics resulting in permanent
damage. Instead, apply the cleaning solution or water to a soft cloth and then
clean the monitor.
NOTE: Monitor damage due to improper cleaning methods and the use of
benzene, thinner, ammonia, abrasive cleaners, alcohol, compressed air,
detergent of any kind will lead to a Customer Induced Damage (CID). CID is not
covered under the standard Dell warranty.
- If you notice white residual powder when you unpack your monitor, wipe it off with a cloth.
- Handle your monitor with care as a darker-colored monitor may get scratched and show white scuff marks more than a lighter-colored monitor.
- To help maintain the best image quality on your monitor, use a dynamically changing screen saver and turn off your monitor when not in use.
Setting up the monitor
Attaching the stand
NOTE: The stand assembly is not pre-installed when the monitor is shipped
from the factory.
NOTE: The following instructions are applicable only for the stand that
was shipped with your monitor. If you are attaching a stand that you purchased
from any other source, follow the setup instructions that were included with
the stand.
To attach the monitor stand, refer to the instructions on the flaps of carton
to remove the stand from the cushion that secures it, and then follow the
steps below:
-
Remove the stand riser and stand base from the packaging cushion.
-
Insert the stand base blocks fully into the stand slot.
-
Lift the screw handle and turn the screw clockwise.
-
After fully tightening the screw, fold the screw handle flat within the recess.
-
Lift the cover, as shown, to access the VESA area for stand assembly.
-
Attach the stand assembly to the monitor.
a. Fit the two tabs on the upper part of the stand to the groove on the back of the monitor.
b. Press the stand down till it snaps into place. -
Place the monitor upright. NOTE: Lift the monitor carefully to prevent it from slipping or falling.
-
Remove the cover from the monitor.
Organizing your cables
After attaching all necessary cables to your monitor and computer (See
Connecting your monitor for cable attachment), organize all cables as shown
above.
If your cable is not able to reach your PC, you may connect directly to the PC
without routing through the slot on the monitor stand.
Using the tilt, swivel, and vertical extension
NOTE: The following instructions are applicable only for attaching the
stand that was shipped with your monitor. If you are attaching a stand that
you purchased from any other source, follow the set up instructions that were
included with the stand.
Tilt, swivel
With the stand attached to the monitor, you can tilt and swivel the monitor
for the most comfortable viewing angle.
NOTE: The stand is not installed at the factory when shipped.
Vertical extension
NOTE: The stand extends vertically up to 150 mm. The figure below
illustrates how to extend the stand vertically.
Rotating the monitor
Before you rotate the monitor, your monitor should be fully vertically
extended (Vertical extension) and fully tilted up to avoid hitting the bottom
edge of the monitor.
Rotate clockwise
Rotate counterclockwise
NOTE: To use the Display Rotation function (Landscape versus Portrait
view) with your Dell computer, you require an updated graphics driver that is
not included with this monitor. To download the graphics driver, go to
www.dell.com/support and see the Download
section for Video Drivers for latest driver updates.
NOTE: When in the Portrait View Mode, you may experience performance
degradation in graphic-intensive applications (3D Gaming and etc.).
Adjusting the rotation display settings of your system
After you have rotated your monitor, you need to complete the procedure below
to adjust the Rotation Display Settings of your system.
NOTE: If you are using the monitor with a non-Dell computer, you need to
go the graphics driver website or your computer manufacturer website for
information on rotating the ‘contents’ on your display.
To adjust the Rotation Display Settings:
- Right-click on the desktop and click Properties.
- Select the Settings tab and click Advanced.
- If you have an ATI graphics card, select the Rotation tab and set the preferred rotation.
- If you have an NVIDIA graphics card, click the NVIDIA tab, in the left-hand column select NVRotate, and then select the preferred rotation.
- If you have an Intel graphics card, select the Intel graphics tab, click Graphic Properties, select the Rotation tab, and then set the preferred rotation.
NOTE: If you do not see the rotation option or it is not working
correctly, go to www.dell.com/support and
download the latest driver for your graphics card.
NOTE: You can also refer to the Rotation function on your OSD to rotate
your display.
Connecting your monitor
WARNING: Before you begin any of the procedures in this section, follow
the Safety instructions.
NOTE: Dell monitors are designed to work optimally with the Dell-
supplied cables inside the box. Dell does not guarantee the video quality and
performance if non-Dell cables are used.
NOTE: Route the cables through the cable-management slot before
connecting them.
NOTE: Do not connect all cables to the computer at the same time.
NOTE: The images are for the purpose of illustration only. The appearance
of the computer may vary.
To connect your monitor to the computer:
- Turn off your computer and disconnect the power cable.
- Connect the DisplayPort or USB Type-C cable from your monitor to the computer.
Connecting the DisplayPort (DisplayPort to DisplayPort) cable
Connecting the USB Type-C cable (applicable for U2424HE only)
NOTE: Use the USB Type-C cable shipped with monitor only.
- This port supports DisplayPort Alternate Mode (DP1.4 standard only).
- The USB Type-C power delivery compliant port (PD Version 3.0) delivers up to 90 W of power.
- If your notebook requires more than 90 W to operate and the battery is drained, it may not be powered up or charged with the USB PD port of this monitor.
Connecting the monitor for DP Multi-Stream Transport (MST) function
NOTE: This monitor supports the DP MST feature. To make use of this
feature, your computer Graphics Card must be certified to at least support
DP1.2 with MST option.
NOTE: Remove the rubber plug when using DP out connector.
Connecting the Monitor for USB Type-C Multi-Stream Transport (MST) Function
(applicable for U2424HE only)
NOTE: The maximum number of supported monitors through MST is subjected
to the bandwidth of the USB-C source.
NOTE: Remove the rubber plug when using USB Type-C upstream connector.
NOTE: Remove the rubber plug when using DP out connector.
Connecting the monitor for RJ45 cable (optional) (applicable for U2424HE
only)
NOTE: RJ45 cable is non in-box standard accessory.
Connecting the USB A-C cable
NOTE: To prevent data damage or loss, before unplugging the USB Type-C
upstream port, ensure that no USB storage devices are in use by the computer
connected to the monitor’s SuperSpeed USB 10 Gbps (USB 3.2 Gen2) Type-A
downstream port.
After you have completed connecting the DisplayPort/HDMI cable, follow the
procedures below to connect the USB A-C cable to the computer and complete
your monitor setup:
-
Connect the computer: connect the SuperSpeed USB 3.2 (Gen2) Type-C upstream port (data only) with the USB Type-C end of the cable that comes with your monitor.
-
Connect the USB-A end of the cable to an appropriate USB 3.2 (Gen2) port on your computer. NOTE: Place the Desktop computer on the left side of the monitor (when viewing from the front) to ensure ease of connection of the USB A-C cable. Do not use the cable slot on the monitor stand if the length of the cable does not permit it.
-
Connect the USB peripherals to the SuperSpeed USB 10 Gbps (USB 3.2 Gen2) downstream ports on the monitor.
-
Plug the power cables for your computer and monitor into a nearby outlet.
-
Turn on the monitor and the computer.
If your monitor displays an image, installation is complete. If it does not display an image, see Common problems. -
Use the cable slot on the monitor stand to organize the cables.
NOTE: The USB connection only offers USB data transfer in this scenario.
NOTE: The images are for the purpose of illustration only. The appearance
of the computer may vary.
Dell Power Button Sync (DPBS) (applicable for U2424HE only)
Your monitor is designed with Dell Power Button Sync (DPBS) feature to allow
you to control PC system power state from the monitor power button. This
feature is only supported with Dell platform which has built-in DPBS function,
and is only supported over USB-C interface.
To make sure the DPBS function works for the first time, perform the following
teps on the DPBS supported platform in the Control Panel first.
NOTE: DPBS only supports the USB Type-C upstream port with icon.
- Go to Control Panel.
- Select Hardware and Sound, followed by Power Options.
- Go to System Settings.
- In the When I press the power button drop-down menu, you can select the preferred options.
NOTE: Do not select “Do nothing”, otherwise monitor power button will not be able to sync with PC system power state.
Connecting the monitor for DPBS for the first time
For the first time setting up the DPBS function:
- Make sure both the PC and the monitor are OFF.
- Press the monitor power button to turn ON the monitor.
- Connect the USB Type-C cable from the PC to the monitor.
- Both the monitor and PC will turn ON normally. If not, press either the monitor power button or PC power button to boot up the system.
NOTE: Ensure that Dell Power Button Sync is set to On. See Dell Power Button Sync (applicable for U2424HE only).
Using DPBS function
When you connect the USB Type-C cable, the Monitor/PC state is as follows:
Not all Dell PC systems support to wake up the platform through the monitor.
Upon USB Type-C cable connection, mouse movement or keyboard press might be required to wake the system/monitor up from sleep or hibernate.
When you press the monitor power button or PC power button, the Monitor/PC
state is as follows:
NOTE: You can enable or disable the power button sync function using the OSD. See Dell Power Button Sync (applicable for U2424HE only).
- When the monitor and the PC power state are both ON, press and hold the monitor power button for 4 seconds, the screen prompt will ask if you would like to shut down the PC.
- When the monitor and the PC power state are both ON, press and hold the monitor power button for 10 seconds, the PC will shut down.
Connecting the monitor for USB-C Multi-Stream Transport (MST) function
A PC is connected to two monitors in an initially OFF power state, and the PC
system power state is in sync with Monitor 1 power button. When you press
Monitor 1 or PC power button, both Monitor 1 and PC are turned ON. Meanwhile,
Monitor 2 remains OFF. You need to manually press the power button on Monitor
2 to turn it ON.
Similarly, a PC is connected to two monitors in an initially ON power state, and the PC system power state is in sync with Monitor 1 power button. When you press Monitor 1 or PC power button, both Monitor 1 and PC are turned OFF. Meanwhile, Monitor 2 remains in Standby mode. You need to manually press the power button on Monitor 2 to turn it OFF.
Connecting the monitor for USB-C
If the Dell PC has two USB Type-C ports, the power state of each connected
monitor will sync with the PC.
For example, when the PC and two monitors are in an initial ON power state,
pressing the power button on Monitor 1 or Monitor 2 will turn OFF the PC,
Monitor 1, and Monitor 2.
Ensure to check the Dell PC for DPBS supportability.
NOTE: DPBS only supports the USB Type-C upstream port with icon.
Ensure that Dell Power Button Sync is set to ON (see Dell Power Button Sync (applicable for U2424HE only)). When the PC and two monitors are in an initial OFF power state, pressing the power button on Monitor 1 or Monitor 2 will turn ON the PC, Monitor 1, and Monitor 2.
Securing your monitor using Kensington lock (optional)
The security-lock slot is located at the bottom of the monitor (see Security-
lock slot). Secure your monitor to a table using the Kensington security lock.
For more information on using the Kensington lock (sold separately), see the
documentation that is shipped with the lock.
NOTE: The image is for the purpose of illustration only. The appearance
of the lock may vary.
Removing the monitor stand
NOTE: To prevent scratches on the LCD screen when removing the stand,
ensure that the monitor is placed on a soft surface and handle it carefully.
NOTE: The following steps are specifically for attaching the stand that
is shipped with your monitor. If you are removing a stand that you purchased
from any other source, follow the setup instructions that are included with
the stand.
To remove the stand:
- Place the monitor on a soft cloth or cushion.
- Press and hold the stand release button at the back of the display.
- Lift the stand assembly up and away from the monitor.
VESA wall mounting (optional)
NOTE: Use M4 x 10 mm screws to connect the monitor to the wall- mounting
kit.
Refer to the instructions that come with the VESA-compatible wall mounting
kit.
- Place the monitor panel on a soft cloth or cushion on a stable flat table.
- Remove the stand. (See Removing the monitor stand)
- Use a Phillips crosshead screwdriver to remove the four screws securing the plastic cover.
- Attach the mounting bracket from the wall mounting kit to the monitor.
- Mount the monitor on the wall. For more information, see the documentation that shipped with the wall mounting kit.
NOTE: For use only with UL or CSA or GS-listed wall mount bracket with minimum weight or load bearing capacity of 14.08 kg (for U2424H/U2424H WOST), or 15.92 kg (for U2424HE).
Operating the monitor
Turn on the monitor
Press the power button to turn on the monitor.
Using the joystick control
Use the joystick control on the rear of the monitor to make On-Screen Display
(OSD) adjustments.
- Press the joystick button to launch the Menu Launcher.
- Move the joystick up/down/left/right to toggle between options.
- Press the joystick button again to confirm the selection.
Joystick functions
Function | Description |
---|---|
• When the OSD menu is on, press the button to confirm the selection or |
save the settings.
• When the OSD menu is off, press the button to launch the OSD main menu. See
Accessing the menu system.
| • For 2-way (right and left) directional navigation.
• Move right to enter the submenu.
• Move left to exit from the submenu.
| • For 2-way (up and down) directional navigation.
• Toggles between the menu items.
• Increases (up) or decreases (down) the parameters of selected menu item.
Using the Main Menu
Accessing the Menu Launcher
When you press the joystick button, the OSD status bar appears to let you know
the current settings of some OSD functions.
The following table describes the Menu Launcher functions:
Menu Launcher details
Label | Icon | Description |
---|---|---|
1 | Menu | To launch the On-Screen Display (OSD) main menu. See Accessing the |
menu system.
2| Shortcut functions | When you move the joystick to the left or right to
toggle between the shortcut functions, the selected item will be highlighted
and shifted to the center position. Press the joystick to enter its submenu.
• Display Info: Displays the monitor’s current status.
• Input Source: To choose an input source from the list of video signals that
may be connected to your monitor.
• Preset Modes: To choose a preferred color mode from the list of preset
modes.
• Brightness/Contrast: To access the adjustment sliders of brightness and
contrast.
• Auto Brightness: To enable or disable the auto brightness function.
NOTE: You can set your preferred shortcut keys.
See Personalize for details.
NOTE: After you change the settings, press the joystick to save the changes
before you proceed to another function or exit.
3| Exit| To exit the Menu Launcher.
Using the navigation keys
When the OSD main menu is active, move the joystick to configure the settings,
following the navigation keys displayed below the OSD.
After you change the settings, press the joystick to save the changes before
proceeding to another menu or exit the OSD menu.
NOTE: To exit the current menu item and return to the previous menu, move
the joystick to the left until you exit.
Using the On-Screen Display (OSD) menu
Accessing the menu system
NOTE: After you change the settings, press the joystick to save the
changes before proceeding to another menu or exit the OSD menu.
Icon | Menu and Submenus | Description |
---|---|---|
Brightness/Contrast | Adjusts the Brightness, Contrast, Auto Brightness, |
Auto Brightness Range Level, Auto Color Temp., and Primary Monitor for Sync
functions.
Brightness| Adjusts the luminance of the backlight.
Toggle the joystick up to increase the brightness and toggle the joystick down
to decrease the brightness (Range: 0 – 100).
Contrast| Adjusts the Brightness first, and then adjust the Contrast only if
further adjustment is necessary.
Toggle the joystick up to increase the contrast and toggle the joystick down
to decrease the contrast (Range: 0 – 100).
The Contrast function adjusts the degree of difference between darkness and
lightness on the monitor screen.
Auto Brightness| Adjusts the monitor brightness setting according to the
ambient light.
Auto Brightness Range Level| Adjusts the auto brightness range level.
NOTE: When Auto Brightness is disabled, this function is not
available.
Auto Color Temp.| Adjusts the monitor RGB color settings according to the
ambient light.
Primary Monitor for Sync| When either Auto Brightness or Auto Color Temp. is
turned on and multiple Dell monitors that support this function are connected
through MST, the monitors will adjust their brightness or RGB settings
according to the ambient light condition detected by the primary monitor.
NOTE: The selected monitor in Dell Display Manager (DDM) is the primary
monitor. To change the primary
monitor, select the preferred monitor in DDM. Refer to the DDM user guide for
details.
NOTE: When Auto Brightness and Auto Color Temp. are both disabled, this
function is not available.
NOTE: If the primary or secondary monitor breaks off from the MST, it
also breaks off from the monitor sync.
Reset Brightness/ Contrast| Press the joystick to reset all settings under the
Brightness/Contrast menu to the factory preset values.
Input Source| Selects between the different video signals that may be
connected to your monitor.
For U2424H/U2424H WOST:For U2424HE:
| USB-C 90W (applicable for U2424HE only)| Select the USB-C 90W input when you
are using the USB Type-C connector. Press the joystick to confirm the
selection.
DP| Select the DP input when you are using the DisplayPort (DP) connector.
Press the joystick to confirm the selection.
HDMI| Select the HDMI input when you are using the HDMI connector. Press the
joystick to confirm the selection.
Auto Select| Allows you to scan for available input sources. The default is
on.
Auto Select forUSB-C (applicable for U2424HE only)| Allows you to set Auto
Select for USB-C to:
• Prompt for Multiple Inputs: Always displays the “Switch to USB-C Video
Input” message for you to choose whether to switch or not.
• Yes: Always switches to USB-C video input (without asking) when the USB
Type-C cable is connected.
• No: Never automatically switches to USB-C video input when the USB Type-C
cable is connected.
NOTE: Auto Select for USB-C is available only when Auto Select is on.
Rename Inputs| Allows you to select the input name for the selected input
source. The options are PC, PC 1, PC 2, Laptop, Laptop 1, and Laptop 2.
NOTE: Input names in warning messages and Display Info will not be changed.
Reset Input Source| Press the joystick to reset all settings under the Input
Source menu to the factory preset values.
| Color| Adjusts the color setting mode.
Preset Modes| • Color Space: Allows you to select the color space sRGB or
BT.709.
• Custom Color: Allows you to manually adjust the color settings.
Toggle the joystick up or down to adjust the RGB color values and create your
own preset color mode.
Input Color Format| Allows you to set the video input mode to:
• RGB: Select this option if your monitor is connected to a computer (or media
player) using the USB Type-C (applicable for U2424HE only), DisplayPort, or
HDMI cable.
• YCbCr: Select this option if your media player supports only YCbCr output.
Press the joystick to confirm the selection.
Hue| Shifts the color of the video image to green or purple. This is used to
adjust the desired flesh tone color. Toggle the joystick up or down to adjust
the hue from ‘0’ to ‘100’.
NOTE: Hue adjustment is available only when you select Movie or Game preset
mode.
Saturation| Adjusts the color saturation of the video image. Toggle the
joystick up or down to adjust the saturation from ‘0’ to ‘100’.
NOTE: Saturation adjustment is available only when you select Movie or Game
preset mode.
Reset Color| Press the joystick to reset all settings under the Color menu to
the factory preset values.
| Display| Use the Display menu to adjust images.
For U2424H/U2424H WOST:For U2424HE:
Aspect Ratio| Adjusts the image ratio to 16:9, Auto Resize, 4:3, or 1:1.
Sharpness| This feature can make the image look sharper or softer.
Toggle the joystick up or down to adjust the sharpness from ‘0’ to ‘100’.
Response Time| Allows you to set the Response Time to Normal or Fast.
MST| DP Multi Stream Transport, select On to enable MST (DP Out), select Off
to disable the MST function. See Connecting the monitor for DP Multi-Stream
Transport (MST) function and Connecting the Monitor for USB Type-C Multi-
Stream Transport (MST) Function (applicable for U2424HE only) for details.
NOTE: When DP or USB Type-C cable (applicable for U2424HE only) and DP
downstream cable are connected, the OSD sets MST to On automatically.
This action will only be done once after Factory Reset or Display Reset.
USB-C Prioritization (applicable for U2424HE only)| Allows you to specify the
priority to transfer the data with high resolution (High Resolution) or high
speed (High Data Speed) when using the USBType-C port/DisplayPort. If the
current platform is DP 1.4 (HBR3), use High Data Speed to access full video
performance with high data speed. If the current platform is DP 1.2 (HBR2) or
below, select High Resolution for accessing full video performance with data
and network speed drop.
Multi-Monitor Sync| Allows multiple monitors that are Daisy Chained through DP
to synchronize following OSD settings in the background: Brightness, Contrast,
Auto Brightness, Auto Color Temp., Preset Modes, Color Temp., Custom Color,
Hue, Saturation, Response Time, and Sharpness. See Multi- Monitor Sync (MMS)
for details.
Dell Power Button Sync (applicable for U2424HE only)| Turns the Dell Power
Button Sync feature on or off. When Off is selected, power button sync
function will be disabled.
NOTE: When Off is selected, the Wake-on-Connect function will remain active.
When USB-C connection is detected, the computer will be turned on.
Reset Display| Press the joystick to reset all settings under the Display menu
to the factory preset values.
| USB (applicable for U2424HE only)| Allows you to assign the USB upstream
port for the input signals (DP, HDMI), thus the monitor’s USB downstream port
can be used by the current input signals when you connect a computer to either
one of the upstream ports.
When you use only one upstream port, the connected upstream port is
active.NOTE: To
prevent data damage or loss, before changing USB upstream ports, make sure
that no USB storage devices are in use by the computer connected to the
monitor’s USB downstream port.
Show KVM Setup Guide (applicable for U2424HE only)| Select this option and
follow steps if you want to connect multiple computers to the monitor and use
one setup of keyboard and mouse.
| Menu| Select this option to adjust the settings of the OSD, such as, the
languages of the OSD, the amount of ime the menu remains on screen, and so
on.
Language| Sets the OSD display to one of the eight languages (English,
Spanish, French, German, Brazilian Portuguese, Russian, Simplified Chinese, or
Japanese).
Rotation| Press the joystick to rotate the OSD and the screen by 0/90/180/270
degrees.
You can adjust the menu according to your display rotation.
Transparency| Select this option to change the menu transparency by toggling
the joystick up or down (Range: 0 – 100).
Timer| Sets the length of time the OSD will remain active after the last time
you pressed a button.
Toggle the joystick up or down to adjust the slider in 1 second increments,
from 5 to 60 seconds.
Lock| With the control buttons on the monitor locked, you can prevent people
from accessing the controls. It also prevents accidental activation in
multiple monitors side-by-side setup.
• Menu Buttons: All joystick functions are locked and not accessible by the
user.
• Power Button: Only the Power Button is locked and not accessible by the
user.
• Menu + Power Buttons: Both the joystick and the Power Button are locked and
not accessible by the user.
The default setting is Disable.
Alternative Lock Method [for Menu/function buttons]: You can also press and
hold the joystick to the up or down or left or right for 4 seconds to set the
lock options.
NOTE: To unlock the button(s), press and hold the joystick to the up or down
or left or right for 4 seconds.
Reset Menu| Press the joystick to reset all settings under the Menu menu to
the factory preset values.
| Personalize| For U2424H/U2424H WOST:For U2424HE:
Shortcut Key 1
Shortcut Key 2
Shortcut Key 3
Shortcut Key 4
Shortcut Key 5| Allows you to choose a feature from Preset Modes,
Brightness/Contrast, Auto Brightness, Auto
Color Temp., Input Source, Aspect Ratio, Rotation, or Display Info and set it
as a shortcut key.
Power Button LED| Allows you to set the power LED indicator on or off to save
energy.
USB (applicable for U2424H/ U2424H WOST
only)| Allows you to enable or disable USB-A and USB Type-C Downstream Ports
charging function during monitor standby mode.
USB-C Charging 90W (applicable for U2424HE only)| Allows you to enable or
disable the Always On USB-C Charging function during monitor Off mode. When
this function is enabled, you will be able to charge your notebook or mobile
devices through the USB Type-C cable even when the monitor is powered off.
Other USB Charging (applicable for U2424HE only)| Allows you to enable or
disable USB-A and USB Type-C Downstream Ports charging function during monitor
standby mode.
When this function is enabled, you will be able to charge your mobile devices
through the USB-A cable even when the monitor is powered off.
NOTE: This option is only available when the USB Type-C (Upstream Port) cable
is unplugged. If the USB Type-C cable is connected, Other USB Charging follows
the USB host power status and the option is not accessible.
Reset Personalization| Press the joystick to reset all settings under the
Personalize menu to the factory preset values.
| Others| Select this option to adjust the OSD settings, such as DDC/CI, LCD
Conditioning, and so on.
Display Info| Press the joystick to display current monitor settings.
DDC/CI| DDC/CI (Display Data Channel/Command Interface) allows your monitor
parameters (brightness, color balance, and etc.) to be adjustable using the
software on your computer. You can disable this feature by selecting Off.
Enable this feature for best user experience and optimum performance of your
monitor.
LCD Conditioning| Helps reduce minor cases of image retention.
Depending on the degree of image retention, the program may take some time to
run. You can enable this feature by selecting On.
Firmware| Displays the firmware version of your monitor.
Service Tag| Displays the service tag of your monitor. This string is required
when you look for phone support, check your warranty status, update drivers on
Dell website, etc.
Self-Diagnostic| Press the joystick to initiate the self-diagnostic process.
1. When initiated, a gray screen appears.
2. Carefully inspect the screen for abnormalities.
3. Press the joystick. The color of the screen changes to red.
4. Inspect the display for any abnormalities.
5. Repeat steps 3 and 4 to inspect the display in green, blue, black, white
and text screens.
The test is complete when the text screen appears.
To exit, press the joystick again.
Reset Others| Press the joystick to reset all settings under the Others menu
to the factory preset values.
Factory Reset| Restore all preset values to the factory default settings.
These are also the settings for ENERGY STAR® tests.
OSD messages
Initial setup
When Factory Reset is selected, the following message appears:
When Yes is selected, the following message appears.
For U2424H/U2424H WOST:
For U2424HE:
OSD warning messages
When the monitor does not support a particular resolution mode, you will see
the following message:
This means that the monitor cannot synchronize with the signal that it is
receiving from the computer. See Monitor specifications for the Horizontal and
Vertical frequency ranges addressable by this monitor. Recommended mode is
1920 x 1080.
You will see the following message before the DDC/CI function is disabled:
When you adjust the Brightness level for the first time, the following message appears:
NOTE: If Yes is selected, the message will not appear next time you
intend to change the Brightness setting.
When Auto Brightness is enabled, if you adjust the brightness level, the
following message appears:
NOTE: If Yes is selected, Auto Brightness will be disabled.
When you change the default setting of power saving features for the first
time, such as USB-C Charging 90W (applicable for U2424HE only), Other USB
Charging (applicable for U2424HE only), or USB (applicable for U2424H/ U2424H
WOST only), the following message appears:
NOTE: If you select Yes for any one of the features mentioned above, the
message will not appear next time you intend to change the settings of these
features. When you perform a factory reset, the message will appear again.
You will see the following message before the Lock function is activated:
NOTE: The message may be slightly different according to the selected
settings.
When the monitor goes into Standby mode, the following message appears:
Activate the computer and wake up the monitor to gain access to the OSD.
The OSD functions only in the normal operation mode. If you press any button
other than the Power Button during the Standby mode, the following message
will appear depending on the selected input:
NOTE: The message may be slightly different according to the connected
input signal.
Activate the computer and the monitor to gain access to the OSD.
If either USB Type-C (applicable for U2424HE only), DisplayPort, or HDMI input
is selected and the corresponding cable is not connected, a floating dialog
box as shown below appears.
NOTE: The message may be slightly different according to the connected
input signal.
For U2424HE, when the monitor is under DP/HDMI input and a USB Type-C cable is
connected to a notebook that supports DP Alternate Mode, if Auto Select for
USB-C (applicable for U2424HE only) is enabled, the following message appears:
See Troubleshooting for more information.
Setting the KVM switch (applicable for U2424HE only)
The built-in KVM switch allows you to control up to 2 computers from a
single set of keyboard and mouse connected to the monitor.
a. When connecting HDMI + USB-C2 to computer 1 and DP + USB-C1 90W to computer
2:
NOTE: The USB-C connection currently supports only data transfer.
Ensure that USB for HDMI is assigned to USB-C2 and DP is assigned to USB-C1
90W.
b. When connecting HDMI + USB-C2 to computer 1 and USB-C computer 2:
NOTE: The USB-C connection currently supports video and data transfer.
Ensure that USB for HDMI is assigned to USB-C2.
NOTE: As the USB Type-C upstream port supports the DisplayPort Alternate
Mode, there is no need to set USB for USB-C 90W.
NOTE: When connecting to different video input sources not shown above,
follow the same method to make correct settings for USB to pair the ports.
Setting the Auto KVM (applicable for U2424HE only)
You can follow below instructions to set up Auto KVM for your monitor:
- Ensure that Auto Select is On and Auto Select for USB-C is Yes.
- Ensure that the USB ports and the video inputs are paired accordingly.
NOTE: For USB-C 90W connection, there is no further setting required.
Setting the maximum resolution
NOTE: The steps may vary slightly depending on the version of Windows you
have.
To set the maximum resolution for the monitor:
In Windows 8.1:
- For Windows 8.1, select the Desktop tile to switch to classic desktop.
- Right-click on the desktop and click Screen resolution.
- If you have more than one monitor connected, ensure that you select U2424H/U2424H WOST/U2424HE.
- Click the Screen Resolution dropdown list and select 1920 x 1080.
- Click OK.
In Windows 10 and Windows 11:
- Right-click on the desktop and click Display settings.
- If you have more than one monitor connected, ensure to select U2424H/U2424H WOST/U2424HE.
- Click the Display Resolution dropdown list and select 1920 x 1080.
- Click Keep changes.
If you do not see 1920 x 1080 as an option, you must update your graphics
driver to the latest version. Depending on your computer, complete one of the
following procedures:
If you have a Dell desktop or laptop:
- Go to https://www.dell.com/support , enter your service tag, and download the latest driver for your graphics card.
If you are using a non-Dell computer (laptop or desktop):
- Go to the support site for your computer and download the latest graphic drivers.
- Go to your graphics card website and download the latest graphic drivers.
Setting the maximum refresh rate
NOTE: The steps may vary slightly depending on the version of Windows you
have.
To set the maximum refresh rate for the monitor:
In Windows 8.1:
- For Windows 8.1, select the Desktop tile to switch to classic desktop.
- Right-click on the desktop and click Screen resolution.
- If you have more than one monitor connected, ensure to select U2424H/ U2424H WOST/U2424HE.
- Click Advanced settings.
- Click the Monitor tab.
- Click the dropdown list of Screen refresh rate and select 120 Hertz.
- Click OK.
In Windows 10:
- Right-click on the desktop and click Display settings.
- Click Advanced display settings.
- If you have more than one monitor connected, ensure to select U2424H/ U2424H WOST/U2424HE.
- Click the dropdown list of Refresh rate and select 120 Hz.
- Click Keep changes.
In Windows 11:
- Right-click on the desktop and click Display settings.
- Click Advanced display.
- If you have more than one monitor connected, ensure to select U2424H/ U2424H WOST/U2424HE.
- Click the dropdown list of Choose a refresh rate and select 120 Hz.
- Click Keep changes.
Multi-Monitor Sync (MMS)
Multi-Monitor Sync allows multiple monitors that are daisy chained through
DisplayPort to synchronize a predefined group of OSD settings in the
background. An OSD option, Multi-Monitor Sync, in the Display Menu allows user
to enable/ disable syncing.
NOTE: MMS is not available when using HDMI input.
When Monitor 1 MST is set to On for the first time (For example, during connection of Monitor 2), MMS will be set to On.
NOTE: The following OSD settings will be synchronized: Brightness,
Contrast, Preset Modes, Color Temp., Custom Color (RGB Gain), Hue (Movie, Game
mode), Saturation (Movie, Game mode), Response Time, and Sharpness.
Setting Multi-Monitor Sync (MMS)
During initial power on or connection of a new monitor, user setting
synchronization only starts if MMS is On. All monitors should synchronize
settings from Monitor 1.
After the first synchronization, subsequent syncing is driven by changes to the predefined group of OSD settings from any node in the chain. Any node may initiate the changes downstream and upstream.
Troubleshooting
WARNING: Before you begin any of the procedures in this section, follow
the Safety instructions.
Self-test
Your monitor provides a self-test feature that allows you to check whether
your monitor is functioning properly. If your monitor and computer are
properly connected but the monitor screen remains dark, run the monitor self-
test by performing the following steps:
-
Turn off both your computer and the monitor.
-
Unplug the video cable from the back of the computer.
-
Turn on the monitor.
The floating dialog box should appear on-screen (against a black background), if the monitor cannot sense a video signal and is working correctly. While in self-test mode, the power LED remains white. Also, depending upon the selected input, one of the dialogs shown below will continuously scroll through the screen. NOTE: The message may be slightly different according to the connected input signal. -
This box also appears during normal system operation, if the video cable becomes disconnected or damaged.
-
Turn off your monitor and reconnect the video cable; then turn on both your computer and the monitor.
If your monitor screen remains blank after you use the previous procedure, check your video controller and computer, because your monitor is functioning properly.
Using the joystick to lock/unlock buttons
Locking the power and joystick buttons
You can lock the joystick and Power buttons to prevent access to the OSD menu
and/or power off the monitor.
To lock the buttons:
- Toggle and hold the joystick to the up or down or left or right for about 4 seconds until a pop menu appears.
- Select one of the following options:
• Menu Buttons: All joystick functions are locked and not accessible by the user.
• Power Buttons: Only the Power Button is locked and not accessible by the user.
• Menu + Power Buttons: Both the joystick and the Power Button are locked and not accessible by the user.
To unlock the button(s), press and hold the joystick to the up or down or left or right for 4 seconds. Select the Unlock icon to unlock the button(s).
Always On USB-C Charging (applicable for U2424HE only)
The monitor allows you to charge your notebook or mobile devices through the
USB Type-C cable even when the monitor is powered off. See USB-C Charging 90W
(applicable for U2424HE only) for more information.
Updating monitor firmware
You may verify your current firmware revision in Firmware. If this is not
available, go to the Dell download support site for the latest application
installer (Monitor Firmware Update Utility.exe) and refer to the Firmware
Update Instruction User’s Guide:
www.dell.com/U2424H or
www.dell.com/U2424HE.
Common problems
The following table contains general information about common monitor problems
you might encounter and the possible solutions:
Common Symptoms| What You Experience| Possible
Solutions
---|---|---
No Video/Power LED off| No picture| • Ensure that the video cable connecting
the monitor and the computer is properly connected and secure.
• Verify that the power outlet is functioning properly using any other
electrical equipment.
• Ensure that the Power Button is pressed fully.
• Ensure that the correct input source is selected in the Input Source menu.
No Video/Power LED on| No picture or no brightness| • Increase brightness &
contrast controls by using the OSD.
• Perform monitor self-test feature check.
• Check for bent or broken pins in the video cable connector.
• Run the built-in diagnostics.
• Ensure that the correct input source is selected in the Input Source menu.
Poor Focus| Picture is fuzzy, blurry, or ghosting| • Eliminate video extension
cables.
• Reset the monitor to factory settings.
• Change the video resolution to the correct aspect ratio.
Shaky/Jittery Video| Wavy picture or fine movement| • Reset the monitor to
factory settings.
• Check environmental factors.
• Relocate the monitor and test in another room.
Missing Pixels| LCD screen has spots| • Cycle power on-off.
• Pixel that is permanently off is a natural defect that can occur in LCD
technology.
• For more information on Dell Monitor Quality and Pixel Policy, see Dell
Support site at:
http://www.dell.com/pixelguidelines.
Stuck-on Pixels| LCD screen has bright spots| • Cycle power on-off.
• Pixel that is permanently off is a natural defect that can occur in LCD
technology.
• For more information on Dell Monitor Quality and Pixel Policy, see Dell
Support site at: http://www.dell.com/pixelguidelines.
Brightness Problems| Picture too dim or too bright| • Reset the monitor to
factory settings.
• Adjust brightness & contrast controls by using the OSD.
Geometric Distortion| Screen not centered correctly| • Reset the monitor to
factory settings.
Horizontal/ Vertical Lines| Screen has one or more lines| • Reset the monitor
to factory settings.
• Perform monitor self-test feature check and determine if these lines are
also in self-test mode.
• Check for bent or broken pins in the video cable connector.
• Run the built-in diagnostics.
Synchronization Problems| Screen is scrambled or appears torn| • Reset the
monitor to factory settings.
• Perform monitor self-test feature check to determine if the scrambled screen
appears in self-test mode.
• Check for bent or broken pins in the video cable connector.
• Restart the computer in the safe mode.
Safety Related Issues| Visible signs of smoke or sparks| • Do not perform any
troubleshooting steps.
•Contact Dell immediately.
Intermittent Problems| Monitor malfunctions on & off| • Ensure that the video
cable connecting the monitor to the computer is connected properly and is
secure.
• Reset the monitor to factory settings.
• Perform monitor self-test feature check to determine if the intermittent
problem occurs in self-test mode.
Missing Color| Picture missing color| • Perform monitor self-test feature
check.
• Ensure that the video cable connecting the monitor to the computer is
connected properly and is secure.
• Check for bent or broken pins in the video cable connector.
Wrong Color| Picture color not good| • Try different Preset Modes in Color
settings OSD. Adjust the R/G/B value in Custom Color in Color
settings OSD.
• Change the Input Color Format to RGB or YCbCr/YPbPr in the Color settings
OSD.
• Run the built-in diagnostics.
Image retentionfrom a static image left on the monitor for a long period of
time| Faint shadow from the static image displayed appears on the screen| •
Set the screen to turn off after a few minutes of screen idle time. These can
be adjusted in Windows Power
Options or Mac Energy Saver setting.
• Alternatively, use a dynamically changing screensaver.
Product specific problems
Common Symptoms | What You Experience | Possible Solutions |
---|---|---|
Screen image is too small | Image is centered on screen, but does not fill | |
entire viewing area | • Check the Aspect Ratio setting in the Display menu OSD. |
• Reset the monitor to factory settings.
Cannot adjust the monitor with the buttons on the front panel| OSD does not
appear on the screen| • Turn off the monitor, unplug the power cord, plug it
back, and then turn on the monitor.
• Check whether the OSD menu is locked. If yes, move and hold the joystick
up/down/left/right for 4
seconds to unlock (for more information, see Lock).
No Input Signal when user controls are pressed| No picture, the LED light is
white| • Check the signal source. Ensure the computer is not in the standby
mode by moving the mouse or pressing any key on the keyboard.
• Check whether the signal cable is plugged in properly. Re-plug the signal
cable if necessary.
• Reset the computer or video player.
The picture does not fill the entire screen| The picture cannot fill the
height or width of the screen| • Due to different video formats (aspect ratio)
of DVDs, the monitor may display in full screen.
• Run the built-in diagnostics.
No video at HDMI/ DisplayPort port| No video at HDMI/DisplayPort port| •
Unplug the HDMI/DisplayPort cable from dongle/docking device, then plug the
docking Thunderbolt cable to the notebook. Plug the HDMI/ DisplayPort cable 7
seconds later.
No video at USB Type-C port (applicable for
U2424HE only)| When connected to certain dongle/ docking device at the port,
there is no video when
unplugging/plugging the Thunderbolt cable from the notebook| • Unplug the USB
Type-C cable from dongle/docking device, then plug the docking Thunderbolt
cable to the notebook. Plug the USB Type-C cable 7 seconds later.
No network connection (applicable for
U2424HE only)| Network dropped or intermittent| • Check to ensure USB-C
Prioritization is set to High Data Speed.
• Do not turn off the display during network connection.
Monitor screen becomes dim| When Auto Brightness is enabled, the
brightness level of the monitor becomes abnormally low, resulting in dimmed
screen.| • Check whether an object is obstructing the sensor area.
• Ensure a webcam is not mounted over the sensor area.
• Wipe clean any dust that may be covering the sensor area.
• Ensure the display is not pivoted and placed to another monitor side-by-
side.
Universal Serial Bus (USB) specific problems
Common Symptoms | What You Experience | Possible Solutions |
---|---|---|
USB interface is not working | USB peripherals are not working | • Check that |
your monitor is turned on.
• Reconnect the upstream cable to your computer.
• Reconnect the USB peripherals (downstream connector).
• Switch off and then turn on the monitor again.
• Reboot the computer.
• Certain USB devices such as external portable HDD require higher electric
current; connect the device directly to the computer system.
USB Type-C port does not supply power (applicable for U2424HE only)| USB
peripherals can not be charged| • Check that the connected device is compliant
with the USB-C specification. The USB Type-C port
supports USB 3.2 Gen2 and an output of 90 W.
• Check that you use the USB Type-C cable shipped with your monitor.
SuperSpeed USB 10 Gbps (USB 3.2 Gen2) interface is slow| SuperSpeed USB 10
Gbps (USB 3.2 Gen2) peripherals working slowly or not working at all| • Check
that your computer is SuperSpeed USB 10 Gbps (USB 3.2 Gen2)-capable.
• Some computers have USB 3.2, USB 2.0 and USB 1.1 ports. Ensure that the
correct USB port is used.
• Reconnect the upstream cable to your computer.
• Reconnect the USB peripherals (downstream connector).
• Reboot the computer.
Wireless USB peripherals stop working when a USB 3.2 device is plugged in|
Wireless USB peripherals responding slowly
or only working as the distance between itself and its receiver decreases| •
Increase the distance between the USB 3.2 peripherals and the wireless USB
receiver.
• Position your wireless USB receiver as close as possible to the wireless USB
peripherals.
• Use a USB-extender cable to position the wireless USB receiver as far away
as possible from the USB 3.2 port.
Regulatory information
FCC notices (U.S. only) and other regulatory information
For FCC notices and other regulatory information, see the regulatory
compliance website located at
www.dell.com/regulatory_compliance.
EU product database for energy label and product information sheet
U2424H: https://eprel.ec.europa.eu/qr/1585527
U2424H WOST: https://eprel.ec.europa.eu/qr/1585550
U2424HE: https://eprel.ec.europa.eu/qr/1585563
Contacting Dell
To contact Dell for sales, technical support, or customer service issues, see
www.dell.com/contactdell.
NOTE: Availability varies by country and product, and some services may
not be available in your country.
NOTE: If you do not have an active Internet connection, you can find
contact information on your purchase invoice, packing slip, bill, or Dell
product catalog.
Copyright © 2023 Del l Inc. or its subsidiaries. Al l rights reserved.
De ll, EMC, and other trademarks are trademarks of Dell Inc. or its
subsidiaries.
Other trademarks may be trademarks of their respective owners.
2023 – 09
Rev. A00
Documents / Resources
| DELL
U2424H Ultrasharp
Monitor
[pdf] User Guide
U2424H Ultrasharp Monitor, U2424H, Ultrasharp Monitor, Monitor
---|---
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>