S2725DS 27 Inch Monitor Computer Monitors Dell Usa User Guide
- June 1, 2024
- Dell
Table of Contents
S2725DS 27 Inch Monitor Computer Monitors Dell Usa
Specifications
- Monitor Model: S2725DS
- Regulatory Model: S2725DSc
Product Information
The Dell S2725DS Monitor is a high-definition display designed to provide users with a superior visual experience. With a sleek design and advanced features, this monitor is suitable for various computing needs.
Product Features
- High-resolution display
- Multiple connectivity options
- Ergonomic stand with tilt, swivel, height adjustment
- Plug-and-play capability
- VESA wall-mount compatible
Operating System Compatibility
The monitor is compatible with various operating systems
including Windows, macOS, and Linux.
Monitor Specifications
For detailed specifications on resolution, video modes, physical characteristics, and more, refer to the user manual provided.
Product Usage Instructions
Setting Up the Monitor
- Attach the stand securely.
- Adjust the tilt, swivel, and height according to your preference.
Connecting Your Monitor
- Connect the HDMI cable to the appropriate port on your computer.
- Optionally, connect the DisplayPort 1.2 cable for additional connectivity.
- Organize and route the cables neatly.
Securing and Mounting Options
- Secure your monitor using a Kensington lock for added security.
- Optionally, remove the monitor stand for VESA wall mounting.
Frequently Asked Questions
- Q: What is the recommended resolution setting for optimal display quality?
- A: The recommended resolution setting is [specify resolution setting] for the best visual experience.
- Q: Can I connect multiple devices to the monitor simultaneously?
- A: Yes, you can connect multiple devices using the available HDMI and DisplayPort connections.
“`
Dell S2725DS Monitor
User’s Guide
Monitor Model: S2725DS Regulatory Model: S2725DSc
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 followed. WARNING: A WARNING indicates a
potential for property damage, personal injury or death.
© 2024 Dell Inc. or its subsidiaries. All rights reserved. Dell Technologies,
Dell, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Other trademarks may be trademarks of their respective owners. 2024 03 Rev.
A00
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 information 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 crystal 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 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.
6 Safety instructions
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.
Component image
Component description Display
VESA cover Stand riser
Stand base
About your monitor 7
Side I/O-cover
Power cable (varies by countries)
HDMI cable (1.80 m)
· Quick Start Guide · Safety, Environmental and
Regulatory Information
Product features
The Dell S2725DS monitor has an active matrix, Thin-Film Transistor (TFT),
Liquid Crystal Display (LCD), anti-static and LED backlight. The monitor has
the following features: · Supports the refresh rate of 100 Hz. · Color gamut
of 99% sRGB (typical). · Digital connectivity with 2 HDMI and DP ports. · Plug
and play capability if supported by your computer. · Integrated speakers (2 x
5 W). · On-Screen Display (OSD) adjustments for ease of setup and screen
optimization. · Removable stand and 100 mm Video Electronics Standards
Association (VESA)
mounting holes for flexible mounting solutions. · Tilt, swivel, rotate, and
height adjustment capabilities. · Security-lock slot for Kensington locks
(sold separately).
8 About your monitor
· Offers Premium Panel Exchange during warranty period.
· Supports Dell ComfortView Plus feature. Dell ComfortView Plus is an integrated low blue light screen feature that improves eye comfort by reducing potentially harmful blue light emissions without compromising color. Through ComfortView Plus technology, Dell has reduced harmful blue light exposure from 50% to 35%. This monitor is certified with TUV Rheinland Eye Comfort 3.0 with a 4-star rating. It incorporates key technologies that also deliver a flicker- free screen, up to 100 Hz refresh rate, and a color gamut of minimum 95% sRGB. Dell ComfortView Plus feature is enabled by default on your monitor.
· 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.
About your monitor 9
About TÜV Rheinland Eye Comfort 3.0 TÜV Rheinland Eye Comfort 3.0
certification program presents a consumer-friendly star rating scheme to the
display industry promoting eye wellness from safety to eye care. Compared to
existing certifications, the 5-star-rating program adds rigorous testing
requirements on overall eye care attributes such as low blue-light,
flickerfree, refresh rate, color gamut, color accuracy and ambient light
sensor performance. It lays out requirement metrics and rates the product
performance on five levels, and the sophisticated technical assessment process
provides consumers and buyers with indicators that are easier to judge. The
eye wellness factors being considered remain constant, however, the standards
for the various star ratings are different. The higher the star rating, the
more stringent the standards. The table below lists the major eye comfort
requirements which apply in addition to the basic eye comfort requirements
(such as pixel density, uniformity of luminance and color, and freedom of
movement). For more information around TÜV Eye Comfort certification please
refer to: https://www.tuv.com/ world/en/eye-comfort.html
10 About your monitor
Category Eye Care
Eye Comfort 3.0 Requirements and Star Rating Scheme for Monitors
Test item
3-star
Star Rating Scheme
4-star
5-star
Low Blue Light
TÜV Hardware LBL Category III (50%) or Software LBL solution¹
TÜV Hardware LBL Category II (35%) or Category I (20%)
TÜV Hardware LBL Category II (35%) or Category I (20%)
Flicker Free
TÜV Flicker Reduced or TÜV Flicker Free
TÜV Flicker Reduced or TÜV Flicker Free
Flicker
Free
Ambient Light Management
Image quality
Eye Comfort User Guide
Remark
Ambient Light Sensor performance
No sensor
No sensor
Ambient light sensor
Intelligent CCT control
No
No
Yes
Intelligent control
Luminance
No
No
Yes
Refresh Rate
60Hz
75Hz
120Hz
Luminance uniformity
Luminance uniformity 75%
Color Uniformity Color uniformity u’v’ 0.02
Freedom of movement Gamma difference
Wide color gamut2
Luminance changes shall decrease less than 50%;
The colour shift shall be less than 0.01
Gamma difference Gamma difference Gamma difference
±0.2
±0.2
±0.2
DCI-P35 Min. 95%
NTSC3 Min.72% (CIE
- or
sRGB4 Min.95%
sRGB4 Min 95% (CIE (CIE 1931)
(CIE 1976) & sRGB4 Min.95% (CIE 1931) or Adobe RGB6 Min.95% (CIE 1931) & sRGB4 Min.95%
(CIE 1931)
User guide
Yes
Yes
Yes
¹ Software controls the blue light emission by reducing excessive blue light, resulting in a more yellow tone. 2 Color gamut describes the availability of colors in the display. Various standards were developed for specific purposes. 100% corresponds to the full color space as defined in the standard. 3 NTSC stands for National Television Standards Committee, which developed a color space for the television system that is used in the United States. 4 sRGB is a standard red, green, and blue color space that is in use on monitors, printers, and the World Wide Web. 5 DCI-P3, short for Digital Cinema Initiatives – Protocol 3, is a color space used in digital cinema that encompasses a wider range of colors than the standard RGB color space. 6 Adobe RGB is a color space created by Adobe Systems that encompasses a broader range of colors than the standard RGB color model, particularly in the cyans and greens.
About your monitor 11
Operating system compatibility
· Windows 10 and later · macOS 12 and macOS 13 The operating system
compatibility on Dell and Alienware branded monitors may vary based on factors
such as:
· Specific release date(s) when operating system versions, patches, or updates
are available.
· Specific release date(s) when Dell and Alienware branded monitor firmware,
software application, or driver updates are available on the Dell support
website.
Identifying parts and controls
Front view
1
Label Description
1
Power LED indicator
Use
Solid white indicates that the monitor is turned on and functioning normally.
Blinking white indicates that the monitor is in Standby Mode.
12 About your monitor
Back view
1 2 3 4
5 6 7
8
Label Description
Use
1
Side I/O cover Use to cover side I/O.
2
Joystick
Use to control the OSD menu. For more information, see Operating your monitor.
3
Power On/Off Press the power button to turn the monitor on and
button
off.
4
Cable
Use to organize cables by routing them through the
management guide guide.
5
VESA mounting Wall-mount the monitor using VESA-compatible wall-
holes (100 mm x mount kit.
100 mm – behind
the VESA cover)
NOTE: Wall-mount kit is not shipped with
your monitor and is sold separately.
6
Regulatory
Lists the regulatory approvals.
information label
7
Regulatory label Lists the regulatory approvals. Refer to this label
(including barcode, if you need to contact Dell for technical support.
serial number and The Service Tag is a unique alphanumeric identifier
Service Tag label) that enables Dell service technicians to identify the
hardware components in your computer and access
warranty information.
8
Stand release
Releases the stand from the monitor.
button
About your monitor 13
Side view
Bottom view
1
2
34 5 6 7
2
Bottom view without monitor stand
Label Description
1
HDMI 2 port
Use
Connect to your computer or external device using a HDMI cable (shipped with
your monitor).
2
Built-in speakers (2) Provides audio output.
3
HDMI 1 port
Connect to your computer or external device using a HDMI cable (shipped with your monitor).
4
DisplayPort
Connect to your computer or external device using a DisplayPort cable (purchased separately).
5
Stand-lock feature Lock the stand to the monitor using a M3 x 6 mm
screw (screw not included).
14 About your monitor
6
Security-lock
Secure your monitor using a security lock (purchased
slot (based on
separately) to prevent unauthorized movement of
Kensington security your monitor.
slot)
7
Power connector Connect the power cable (shipped with your
monitor).
About your monitor 15
Monitor specifications
Description Screen type Panel type Aspect ratio Viewable image dimensions
Diagonal
Active Area Horizontal Vertical Area Maximum resolution and refresh rate Pixel
pitch Pixel per inch (PPI) Viewing angle: Horizontal Vertical Brightness
Contrast ratio Display screen coating
Backlight
Value Active matrix-TFT LCD In-Plane Switching (IPS) technology 16:9
684.66 mm (27.0 in.)
596.74 mm (23.49 in.) 335.66 mm (13.22 in.) 200302.79 mm2 (310.47 in.2) 2560 x
1440 at 100 Hz
0.2331 mm x 0.2331 mm 109
178° (typical) 178° (typical) 350 cd/m² (typical) 1500 to 1 (typical) Anti-
glare treatment of the front polarizer (3H) hard coating LED edgelight system
16 About your monitor
Description
Response time (gray-togray)
Value 8 ms (Normal mode)
5 ms (Fast mode)
4 ms (Extreme mode)
Reduced visible motion blur and increased image responsiveness.
NOTE: Extreme mode may introduce some
slight and noticeable visual artifacts into the image. You may select response
time as per your requirement.
Color depth
16.7 million colors
Color gamut
sRGB Typ. 99% (CIE 1931)
Connectivity
2 x HDMI 2.1 (HDCP 1.4) (Supports up to QHD 2560×1440 100 Hz TMDS, VRR as per specified in HDMI 2.1) 1 x DisplayPort 1.2 (HDCP 1.4) (Supports up to QHD 2560×1440 100 Hz,VRR)
Bezel width (edge of monitor to active area):
Top
7.30 mm
Left/Right
7.30 mm
Bottom
13.02 mm
Adjustability:
Height-adjust
130 mm
Tilt
-5° to 21°
Swivel
-30° to 30°
Pivot
-90° to 90°
Cable management
Yes
Dell Display Manager 2.0 compatibility*
Easy Arrange and other key features
Security
Security-lock slot (for Kensington locks, sold separately)
Built-in speakers
2 x 5W
About your monitor 17
*Dell Display Manager Dell Display Manager is an application software that enhances the experience of your Dell monitor ensuring more productivity and ease in customization. With this application you can:
1. Adjust the monitor On-Screen Display (OSD) settings such as brightness,
contrast, input source setting and so on with ease. No need to toggle using
the joystick on the monitor; simply use the DDM software.
2. Organize multiple applications on your screen, snapping them into a
template of your choice with the Easy Arrange.
3. Assign applications or even files to the partitions of Easy Arrange, save
the layout as a profile and then restore the profile automatically using Easy
Arrange Memory.
4. Connect your Dell Monitor to multiple input sources and manage these
multiple video inputs using Input source.
5. Customize each application with different color mode using Color Preset.
6. Replicate the Dell Display Manager application settings from one monitor to
another monitor of the same model with Import/export application settings
Moreover, this model comes with advanced remote management features for IT
admins. For more information on Dell Display Manager, visit
https://www.dell.com/support/ddm You can download the software from this link
and find detailed user guide of the software and knowledge base article under
the documentation tab.
Dell Display Manager User Interface
18 About your monitor
Resolution specifications
Description Horizontal frequency Vertical refresh rate Maximum preset
resolution
Value 28 kHz to 151 kHz 48 Hz to 100 Hz 2560 x 1440
Supported video modes
Description Video display capabilities (HDMI or DisplayPort)
Value 480p, 576p, 720p, 1080i (HDMI), 1080p, 1440p
About your monitor 19
Preset display modes HDMI/DP Preset Display Modes
Display mode
VESA 640 x 480 VESA 640 x 480 IBM 720 x 400 VESA 800 x 600 VESA 800 x 600 VESA
1024 x 768 VESA 1024 x 768 VESA 1152 x 864 VESA 1280 x 720 VESA 1280 x 800
VESA 1280 x 960 VESA 1280 x 1024 VESA 1280 x 1024 VESA 1440 x 900 VESA 1680 x
1050 VESA 1920 x 1080 VESA 2048 x 1080 VESA 2560 x 1440 VESA 2560 x 1440
Horizontal frequency
(kHz)
31.47 37.50 31.47 37.88 46.88 48.36 60.02 67.50 45.00 49.31 60.00 63.98 79.98
55.94 65.29 67.50 66.66 88.79 151.05
Vertical frequency
(Hz)
59.94 75.00 70.08 60.32 75.00 60.00 75.03 75.00 59.94 59.91 60.00 60.02 75.02
59.89 59.95 60.00 59.99 59.95 100.04
Pixel clock (MHz)
Sync polarity (Horizontal /
Vertical)
25.17
-/-
31.50
-/-
28.32
-/+
40.00
+/+
49.50
+/+
65.00
-/-
78.75
+/+
108.00
+/+
74.25
-/+
71.00
+/+
108.00
+/+
108.00
+/+
135.00
+/+
106.50
-/+
146.25
-/+
148.50
+/+
147.18
+/-
241.50
+/-
410.86
+/-
20 About your monitor
Electrical specifications
Description Video input signals
Value
HDMI 600 mV for each differential line, 100 ohm input impedance per
differential pair.
DisplayPort 600 mV for each differential line, 100 ohm input impedance per differential pair.
AC input voltage/frequency/ 100 VAC to 240 VAC/50 Hz or 60 Hz ± 3 Hz/1.5 A
current
(typical)
Inrush current
120 V: 30 A (Maximum)
Power consumption
240 V: 60 A (Maximum) 0.3 W (Off mode)1
0.3 W (Standby Mode)1
21.4 W (On Mode)1
57 W (Maximum)2
19.2 W (Pon)3 60.58 kWh (TEC)3
1 As defined in EU 2019/2021 and EU 2019/2013. 2 Maximum brightness and
contrast setting. 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 Dell 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.
About your monitor 21
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.
22 About your monitor
Physical characteristics
Description
Value
Dimensions (with stand):
Height (maximum)
518.63 mm (20.42 in.)
Height (minimum)
388.63 mm (15.30 in.)
Width
611.34 mm (24.07 in.)
Depth
200.38 mm (7.89 in.)
Dimensions (without stand):
Height
355.98 mm (14.02 in.)
Width
611.34 mm (24.07 in.)
Depth
58.81 mm (2.32 in.)
Stand dimensions: Height Width Depth Base
411.80 mm (16.21 in.) 248.00 mm (9.76 in.) 200.38 mm (7.89 in.) 248.00 x 180.00 mm (9.76 in. x 7.09 in.)
Weight:
Weight with packaging
Weight with stand assembly and cables
Weight without stand assembly (For wall mount or VESA mount considerations –
no cables)
Weight of stand assembly
8.64 kg (19.05 lb) 6.54 kg (14.42 lb) 4.49 kg (9.90 lb)
1.78 kg (3.92 lb)
About your monitor 23
Environmental characteristics
Description
Value
Compliant standards:
· RoHS-compliant
· BFR/PVC reduce monitor (The circuit boards are made from BFR/PVC-free
laminates.)
· Arsenic-free glass and Mercury-free for the panel only
· ENERGY STAR certified monitor
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 10% to 90% (non-condensing) · Shipping 10% to 90% (non-condensing)
Altitude: Operating (maximum)
5,000 m (16,400 ft)
Non-operating (maximum) Thermal dissipation
12,192 m (40,000 ft)
194.53 BTU/hour (Maximum) 73.03 BTU/hour (On Mode)
24 About your monitor
Pin assignments
DisplayPort connector
Pin
20-pin side of the
number 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
About your monitor 25
HDMI connector
Pin
19-pin side of the
number 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
26 About your monitor
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 the
system 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 your
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.
About your monitor 27
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 period, we recommend you to: 1. Set the distance of
the screen between 20 in. to 28 in. (50 cm – 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 at 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.
28 About your monitor
· When sitting, ensure 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.
Monitor screen at or below eye level
Wrists relaxed and flat
Monitor and keyboard positioned directly in front of the user
Feet flat on the floor
About your monitor 29
Handling and moving your display
To ensure that the monitor is handled safely when lifting or moving it,
observe the following 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 that the screen is facing away
from you. 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. It may result in accidental damage to
the monitor or cause personal injury.
30 About your monitor
Maintenance guidelines
Cleaning your monitor
WARNING: Before cleaning the monitor, unplug the monitor power cable from the
electrical outlet. CAUTION: Read and follow the Safety instructions before
cleaning the monitor. 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 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 powder when you unpack your
monitor, wipe it off with a
cloth. · Handle your monitor with care as a dark-colored monitor may get
scratched
and show white scuff marks more than a light-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.
About your monitor 31
Setting up the monitor
Attaching the stand
NOTE: The stand is not installed at the factory when shipped.
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:
1. Remove the VESA cover, the stand riser and the stand base from the cushion
that secures it.
2. Align and place the stand base onto the stand riser. 3. Open the screw
handle at the bottom of the stand base and turn it clockwise
to secure the stand assembly. 4. Close the screw handle.
2
3
4
5. Align and place the VESA cover to the stand riser. 6. Check that the VESA
plate is tilted back to flush with thumbscrew for ease of
tightening. 7. Open the screw handle at the front of the VESA cover and turn
it clockwise to
secure the hinge assembly. 8. Close the screw handle.
32 Setting up the monitor
5
6
7
8
9. Open the protective cover on the monitor to access the VESA slot on the monitor.
10. Slide the tabs on the stand riser into the slots on the display back cover and press the stand assembly down to snap it into place.
S27
DELL
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Setting up the monitor 33
11. Hold the stand riser firmly with both hands and lift the monitor
carefully, then place it on a flat surface.
12. Remove the cover from the monitor.
Using the tilt, swivel and height adjustment
NOTE: These values are applicable to the stand that was shipped with your
monitor. To set up with any other stand, see the documentation that shipped
with the stand.
34 Setting up the monitor
Tilt, swivel
With the stand that is attached to the monitor, you can tilt and swivel the
monitor for the most comfortable viewing angle.
5°
21°
30°
30°
NOTE: The stand is detached when the monitor is shipped from the factory.
Height adjustment NOTE: The stand can be extended vertically up to 130 mm.
130 mm
Setting up the monitor 35
Rotating the monitor
Before you rotate the monitor, your monitor should be fully vertically
extended (Height adjustment) and fully tilted up to avoid hitting the bottom
edge of the monitor.
Rotate clockwise
1 2
90°
36 Setting up the monitor
Rotate counterclockwise
90°
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 so
on).
Setting up the monitor 37
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
Dell supplied inbox cables. Dell does not guarantee the video quality and
performance if non-Dell cables are used.
NOTE: Route the cables through the cable management guide before connecting
them.
NOTE: Do not connect all cables to the computer at the same time.
NOTE: The images are for illustration only. The appearance of the computer may
vary.
To connect your monitor to the computer:
1. Turn off your computer and disconnect the power cable. 2. Connect your
monitor to the computer with a DisplayPort cable or an HDMI
cable.
Connecting the HDMI cable
HDMI 2
HDMI 1
HDMI 2.1 (TMDS)
HDMI 2.1 (TMDS)
Connecting the DisplayPort 1.2 cable (optional)
HDMI 1
DP 1.2
DP 1.2
38 Setting up the monitor
1
3. Connect the power cable to the monitor and the wall outlet.
1 2
Routing the cables
WARNING: Place monitor on a flat, clean, and soft surface to avoid scratching
the display panel. You can use the EPE foam cover as a protective blanket.
2
Spread the monitor protective cover on a flat surface. · Place the monitor
with its front facing downward on it. · To route the cables: 1. Insert HDMI
cable into HDMI connector (see Connecting your monitor). 2. Insert and
organize the HDMI cable under the restraint lever as shown above.
Setting up the monitor 39
Attaching the side I/O-cover
To attach the side I/O-cover: · Align and place the tabs on the side I/O-cover
with the slots on the display back-cover. · Press the side I/O-cover to snap
it into place.
Organizing cables
Install the cable management guide. Route the cables through the cable
management guide on the stand riser.
After connecting all necessary cables to your monitor and computer, (see
Connecting your monitor for cable attachment) organize all cables as shown in
the image. If your cable is not able to reach your computer, you may connect
directly to the computer without routing through the cable management guide on
the monitor stand.
40 Setting up the monitor
Turn on the monitor
Press the power button to turn on the monitor.
Securing your monitor using Kensington lock (optional)
The security-lock slot is at the bottom of the monitor. (see Security-lock
slot). Secure your monitor to a table using the Kensington security lock. For
more information about using the Kensington lock (sold separately), see the
documentation that is shipped with the lock.
NOTE: The image is for illustration only. The appearance of the lock may vary.
Setting up the monitor 41
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 applicable for removing 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: 1. Place the monitor on a soft cloth or cushion on a stable
flat table.
2. Press and hold the stand-release button at the back of the display.
1
2
42 Setting up the monitor
3. Lift the stand assembly up and away from the monitor.
VESA wall mounting (optional)
(Screw dimension: M4 x 10 mm). See the documentation that is shipped with the
VESA-compatible wall mounting kit.
1. Place the monitor on a soft cloth or cushion at the edge of the desk. 2.
Remove the monitor stand. See Removing the monitor stand. 3. Remove the four
screws that secure the display back cover. 4. Install the mounting bracket
from the wall mounting kit to the monitor. 5. To mount the monitor on the
wall, see the documentation that is 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 17.96 kg (39.6
lb).
Setting up the monitor 43
Operating your monitor
Power on the monitor
Press the power button to turn on the monitor.
Using the joystick button
Use the joystick button on the rear of the monitor to adjust the monitor
settings.
1. Press the joystick button to launch the OSD menu. 2. Move the joystick
up/down/left/right to toggle between options. 3. Press the joystick again to
confirm the selection.
44 Operating your monitor
Using the Joystick Control
2
4
5
1
Direct key functions The following table describes the Joystick control:
Joystick control Description
1
To access the adjustment slider of Brightness. Press
Direct key 1/
again to decrease by one level.
Brightness
2
To choose a preferred audio mode from the list of
Direct key 2/Audio audio profiles.
Profiles
3
To access the adjustment slider of Brightness. Press
Direct key 3/
again to decrease by one level.
Brightness
4
To access the adjustment slider of Volume.
Direct key 4/Volume
5
To access the Menu Launcher.
Menu Launcher
Operating your monitor 45
Using the On-Screen Display (OSD) menu
Accessing the Menu Launcher When you press the joystick, the Menu Launcher
appears to let you access the OSD main menu and shortcut functions.
To select a function, move the joystick.
Shortcut Shortcut Shortcut Shortcut Shortcut
Key1
Key2
Key3
Key4
Key5
Brightness/Contrast
The following table describes the Menu Launcher functions:
Joystick
Description
1
To choose an input source from the list of video
Shortcut key/Input signals that may be connected to your monitor.
Source
2
To choose a preferred color mode from the list of
Shortcut key/Color Color Presets.
Presets
3
To access the adjustment sliders of Brightness and
Shortcut key/
Contrast.
Brightness/Contrast
4
To access the adjustment slider of Volume.
Shortcut key/Volume
5
To choose a preferred audio mode from the list of
Shortcut key/Audio audio profiles.
Profiles
6
To launch the On-Screen Display (OSD) main menu.
Menu
See Operating your monitor.
7
To exit the Menu Launcher.
Exit
46 Operating your monitor
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.
Joystick
Description
1
Use to adjust (increase ranges) items in the OSD menu.
Up
2
Use to adjust (decrease ranges) items in the OSD menu.
Down
3
For all first level in the Menu list, exits/closes the OSD
Left
menu.
4
For all other levels except first level in the Menu list, takes
Right to the next level.
5
Press the joystick to confirm your selection.
OK
Operating your monitor 47
Accessing the menu system
NOTE: If you change the settings and then either proceed to another menu or
exit the OSD menu, the monitor automatically saves those changes. The changes
are also saved if you change the settings and then wait for the OSD menu to
disappear.
1. Select the icon to launch the OSD and display the main menu.
27 Monitor
Brightness/Contrast Input Source Color Display Audio Menu Personalize Others
More Information
75%
75% Exit
2. Move the joystick in or direction to navigate within the menu options.
Each feature gets highlighted when moving from one feature to another.
3. Move the joystick in or direction to activate the highlighted option.
NOTE: The directional buttons (and the OK button) displayed may differ
according to the menu you’ve selected. Use available buttons to make your
selection.
4. Press and directions to select the desired parameter. 5. Press and then
use the and directions, according to the indicators on
the menu, to make your changes. 6. Select the to return to the main menu.
48 Operating your monitor
Icon
Menu and submenus
Brightness/ Contrast
Description
Use this menu feature to adjust brightness and contrast.
27 Monitor
Brightness/Contrast Input Source Color Display Audio Menu Personalize Others
More Information
75%
75% Exit
Brightness Contrast
Brightness adjusts the luminance of the backlight from 0 to 100.
Move the joystick to increase the brightness.
Move the joystick to decrease the brightness. Adjust the brightness first and
then adjust the contrast only if further adjustments are necessary.
Move the joystick to increase the contrast.
Move the joystick to decrease the contrast (between 0 and 100).
The Contrast function adjusts the degree of difference between darkness and
lightness on the monitor screen.
Operating your monitor 49
Icon
Menu and submenus
Input Source
Description
Uses the Input Source menu to select between the different video signals that may be connected to your monitor.
27 Monitor
Brightness/Contrast Input Source Color Display Audio Menu Personalize Others
More Information
DP HDMI 1 HDMI 2 Rename Inputs Auto Select Options for DP/ HDMI Reset Input Source
DP On Prompt for Multiple Inputs
Exit
DP
Selects DP input when using the DP (DisplayPort)
connector. Press the joystick button to confirm the
selection.
HDMI 1
Selects the HDMI 1 input when using the HDMI 1
connector. Press the joystick button to confirm the
selection.
HDMI 2 Selects the HDMI 2 input when using the HDMI 2
connector. Press the joystick button to confirm the
selection.
Rename Inputs Allows you to specify a preset input name for the
selected input source. The preset options are PC, PC
1, PC 2, Laptop, Laptop 1, and Laptop 2. The default
setting is Off.
Auto Select
NOTE: It is not applicable for the input names shown in the warning messages
and Display Info.
Turns on the function to allow the monitor to automatically scan for available
input sources. Press the joystick button to confirm the selection.
50 Operating your monitor
Icon
Menu and Description
submenus
Options for DP/ Allows you to set Auto Select for DP/HDMI:
HDMI
· Prompt for Multiple Inputs: Always displays the
Switch to DP/HDMI Input message for you to choose
whether to switch or not.
· Always Switch: Always switches to DP/HDMI video input (without asking) when the DP/HDMI cable is connected.
· Off: Never automatically switches to DP/HDMI video input when the DP/HDMI cable is connected.
Press the joystick to confirm the selection.
Reset Input Source
Color
NOTE: The option is available only when Auto Select is on. Resets all settings
under the Input Source menu to factory defaults.
Adjusts the color setting mode.
27 Monitor
Brightness/Contrast Input Source Color Display Audio Menu
Color Presets Input Color Format Hue Saturation Reset Color
Standard RGB 50 50
Personalize Others
More Information Exit
Operating your monitor 51
Icon
Menu and submenus
Color Presets
Description
Allows you to choose from the list of preset color modes. Press the joystick to confirm the selection.
27 Monitor
Brightness/Contrast
Color Presets
Standard
Input Source
Input Color Format
Movie
Color Display Audio Menu Personalize Others More Information
Hue Saturation Reset Color
FPS RTS RPG Warm Cool Custom Color
Exit
· Standard: Loads the monitor’s default color settings. This is the default
preset mode.
· Movie: Loads color settings ideal for movies.
· FPS: Loads color settings ideal for First-Person Shooter games.
· RTS: Loads color settings ideal for Real-Time Strategy games.
· RPG: Loads color settings ideal for Role-Playing games.
· Warm: Increases the color temperature. The screen appears warmer with a
red/yellow tint.
· Cool: Presents colors at higher color temperatures. The screen appears
cooler with a blue tint.
· Custom Color: Allows you to manually adjust the color settings. Move the
joystick to adjust the R/G/B color values and create your own preset color
mode.
52 Operating your monitor
Icon
Menu and submenus
Input Color Format
Description
Allows you to set the video input mode to:
· RGB: Select this option if your monitor is connected to a computer or a
media player that supports RGB output.
· YCbCr: Select this option if your media player supports only YCbCr output.
27 Monitor
Brightness/Contrast Input Source Color Display Audio Menu
Color Presets Input Color Format Hue Saturation Reset Color
RGB YCbCr
Personalize Others
More Information Exit
Hue Saturation
This feature can shift the color of the video image to green or purple. This
is used to adjust the desired flesh tone color. Use or to adjust the hue from
0 to 100.
Move the joystick to increase the green shade of the video image.
Move the joystick to increase the purple shade of the video image.
NOTE: Hue adjustment is available only when you select Movie or Game preset
mode.
This feature can adjust the color saturation of the video image. Use or to
adjust the saturation from 0 to 100.
Move the joystick to increase the colorful appearance of the video image.
Move the joystick to increase the monochrome appearance of the video image.
NOTE: Saturation adjustment is available only when you select Movie or Game
preset mode.
Operating your monitor 53
Icon
Menu and submenus Reset Color
Display
Description
Resets your monitor’s color settings to the factory settings.
Uses the display to adjust image.
27 Monitor
Brightness/Contrast Input Source Color Display Audio
Aspect Ratio Sharpness Response Time Reset Display
16:9 50 Normal
Menu
Personalize Others
More Information Exit
Aspect Ratio Adjusts the image ratio to 16:9, 4:3, 5:4.
Sharpness Make the image look sharper or softer.
Move the joystick and to adjust the sharpness from 0 to 100. Response Time
Allows you to set the Response Time to Normal, Fast or Extreme. Reset Display
Resets your monitor’s display settings to the factory settings.
54 Operating your monitor
Icon
Menu and submenus
Audio
Description Uses the display to adjust audio.
27 Monitor
Brightness/Contrast Input Source Color Display Audio
Volume Speaker Audio Profiles Reset Audio
50 On Standard
Menu
Personalize Others
More Information Exit
Volume
Speaker Audio Profiles
Volume adjusts the volume level of audio output.
Move the joystick to increase the volume and move the joystick to decrease the
volume (minimum 0%/ maximum 100%).
Allows you to turn on or off speaker function.
Expand to show the various audio profiles.
27 Monitor
Brightness/Contrast Input Source Color Display Audio Menu Personalize Others
More Information
Volume Speaker Audio Profiles Reset Audio
Standard Movie Game Music Voice Custom Audio
Exit
Reset Audio
Standard: Default audio setting. Movie: For motion picture viewing. Game: For game. Music: For music listening. Voice: For speech. Custom Audio: Allows you to manually adjust the sound. Move the joystick and to adjust the setting. Resets all audio settings to the factory preset values.
Operating your monitor 55
Icon
Menu and submenus
Menu
Description
Select this option to adjust the settings of the OSD, such as the languages, the amount of time, the menu remains on screen and so on.
27 Monitor
Brightness/Contrast
Language
English
Input Source Color Display Audio Menu Personalize
Rotation Transparency Timer Lock Reset Menu
Select 20 20s Disable
Others
More Information Exit
Language Rotation Transparency
Timer Lock Reset Menu
Sets the OSD display to one of the following eight languages: English,
Spanish, French, German, Brazilian Portuguese, Russian, Simplified Chinese or
Japanese.
Press the joystick to rotate the OSD and the screen by 0/90/270 degrees.
You can adjust the menu according to your display rotation.
Selects this option to change the menu transparency by moving the joystick
button up or down (minimum 0; maximum 100).
OSD Hold Time: Sets the length of time and then the OSD remains active after
you press a button. Move the joystick to adjust the slider in 1 second
increments, from 5 to 60 seconds.
Controls user access to adjustments. User can select one of the following:
Menu Buttons, Power Button, Menu + Power Buttons, Disable.
Resets all settings under the Menu to factory defaults.
56 Operating your monitor
Icon
Menu and submenus
Personalize
Description
Selects this option to adjust the settings of the personalization.
27 Monitor
Brightness/Contrast Input Source Color Display Audio Menu Personalize Others
More Information
Shortcut Key 1 Shortcut Key 2 Shortcut Key 3 Shortcut Key 4 Shortcut Key 5 Direct Key Power Button LED Reset Personalization
Input Source Color Presets Brightness/Contrast Volume Audio Profiles On On in
On Mode
Exit
Shortcut Key 1 Allows you to choose a feature from Color Presets,
Shortcut Key 2
Brightness/Contrast, Input Source, Aspect Ratio, Rotation, Volume, Display Info, or Audio Profiles and
Shortcut Key 3 set it as a shortcut key.
NOTE: To reduce to 4 Shortcut Keys, go to
Shortcut Key 4
Shortcut Key 5, and select `-‘.
Once -‘ in Shortcut Key 5 is selected, the-‘
Shortcut Key 5
in Shortcut Key 4 will appear.
Direct Key Turn on or off Direct Key function..
Power Button Enables you to set the state of the power light to save
LED
energy.
Reset
Resets all settings under the Personalize menu to the
Personalization factory preset values.
Others
Changes the OSD settings, such as the DDC/CI, LCD conditioning and so on.
27 Monitor
Brightness/Contrast Input Source Color Display Audio Menu
DDC/CI LCD Conditioning Self-Diagnostic Reset Others Factory Reset
On Off Select
ENERGY STAR®
Personalize Others
More Information Exit
Operating your monitor 57
Icon
Menu and submenus
DDC/CI
Description
Enables your monitor parameters such as brightness, color balance and so on to
be adjustable through the software on your computer. You can disable this
feature by selecting Off.
Enables this feature for best user experience and optimum performance of your
monitor.
27 Monitor
Brightness/Contrast
DDC/CI
On
Input Source
LCD Conditioning
Off
Color Display Audio Menu
Self-Diagnostic Reset Others Factory Reset
Personalize Others
More Information Exit
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.
27 Monitor
Brightness/Contrast
DDC/CI
Input Source
LCD Conditioning
On
Color Display Audio Menu
Self-Diagnostic
Off
Reset Others
Factory Reset
Personalize Others
More Information Exit
Self-Diagnostic Enables you to check if your monitor is functioning properly.
Reset Others Resets all settings under the others setting menu to the factory
preset values.
Factory Reset Restores all preset values to the factory default settings.
58 Operating your monitor
Icon
Menu and submenus
More Information
Description
Select this option for display information and Dell monitor support.
27 Monitor
Brightness/Contrast Input Source Color
Display Info Dell Monitor Support
Select Select
Display Audio
Menu
Personalize Others
More Information Exit
Operating your monitor 59
Menu and power button lock Prevents users to access or change OSD menu
settings on the display. By default, the menu and power button lock setting is
disabled.
To access the lock menu, move the joystick or or or and hold for four seconds.
A lock menu appears at the bottom right corner of the display.
NOTE: The lock menu can be accessed using this method when the Menu and Power
buttons are in unlocked state.
Select option:
To access the unlock menu, move the joystick or or or and hold for four
seconds. A unlock menu appears at the bottom right corner of the display.
60 Operating your monitor
NOTE: The unlock menu can be accessed when the menu and power buttons are in
locked state.
Select option:
There are three lock options.
Menu
Description
1 Menu Buttons When Menu Buttons is selected, the OSD menu
settings cannot be changed. All buttons are locked
except for the power button.
2 Power Button When Power Button is selected, the display cannot be turned off using the power button.
3 Menu + Power When Menu + Power Buttons is selected, the OSD
Buttons
menu settings cannot be changed and the power
button is locked.
NOTE: To access the Lock or Unlock menu, move the joystick or or or and hold
for four seconds.
In the following scenarios, the icon appears at the center of the display:
· When you move the joystick or or or . It indicates the OSD menu buttons are
in lock state.
· When the power button is pressed. It indicates the power button is in lock
state.
· When you move the joystick or or or and the power button is pressed. It
indicates OSD menu buttons, and the power button is in lock state.
Operating your monitor 61
Unlocking the OSD menu and Power buttons 1. Move the joystick or or or and
hold for four seconds. The unlock menu appears. 2. Select the unlock icon to
unlock the buttons on the display.
62 Operating your monitor
OSD warning messages When the monitor does not support a particular resolution
mode, the following message is displayed:
The current input timing is not supported by the monitor display. Please
change your input timing to 2560×1440, 100Hz or any other
monitor listed timing as per the monitor specifications.
This message indicates 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. The
recommended mode is 2560 x 1440. Before the DDC/CI function is disabled, the
following message is displayed:
The function of adjusting display setting using PC application will be
disabled.
Do you wish to disable DDC/CI function? Yes No
When you adjust the Brightness level above the default level for the first
time, the following message appears:
Adjusting to this value will increase power consumption above the default
level. Do you want to continue? Yes No
NOTE: If you select Yes, the message will not appear the next time you change
the brightness setting.
Operating your monitor 63
When the monitor enters the Standby mode, the following message appears:
If you press any button other than the power button, the following messages
appear depending on the selected input:
No DP Cable The display will go into Standby mode in 4 minutes.
www.Dell.com/support/S2725DS
If an HDMI or DisplayPort cable is not connected, the following dialog box
appears. The monitor enters Standby mode after four minutes if left at this
state.
No DP Cable The display will go into Standby mode in 4 minutes.
www.Dell.com/support/S2725DS
or
No HDMI 1 Cable The display will go into Standby mode in 4 minutes.
www.Dell.com/support/S2725DS
or
No HDMI 2 Cable The display will go into Standby mode in 4 minutes.
www.Dell.com/support/S2725DS
64 Operating your monitor
NOTE: The message may be slightly different according to the connected input
signal. When you select OSD items of Factory Reset in Other feature, the
following message appears:
Are you sure you want to reset to default settings? Yes No
For more information, see Troubleshooting.
Operating your monitor 65
Setting the maximum resolution
NOTE: The steps may vary slightly depending on the version of Windows you
have. In Windows 10 and Windows 11: 1. Right-click the desktop and click
Display settings. 2. If you have more than one monitor connected, ensure to
select S2725DS. 3. Click the Display Resolution drop-down list and select 2560
x 1440. 4. Click Keep changes. If you do not see 2560 x 1440 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.
66 Operating your monitor
Troubleshooting
WARNING: Before you begin working on the following steps, follow the Safety
instructions.
Self-Test
Your monitor provides a self-test feature that enables you to check if 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:
1. Turn off both your computer and the monitor. 2. Disconnect all video
cables from the monitor. This way, the computer does not
have to be involved. 3. Turn on the monitor. If the monitor is working
correctly, it detects that there is no signal and one of the following
messages appear. While in self-test mode, the power LED remains white.
No DP Cable The display will go into Standby mode in 4 minutes.
www.Dell.com/support/S2725DS
or
No HDMI 1 Cable The display will go into Standby mode in 4 minutes.
www.Dell.com/support/S2725DS
or
No HDMI 2 Cable The display will go into Standby mode in 4 minutes.
www.Dell.com/support/S2725DS
Troubleshooting 67
NOTE: This dialog box appears even during normal operation and when the video
cable is disconnected or damaged.
4. Turn off your monitor and reconnect the video cable; Turn on your computer
and the monitor.
If your monitor remains dark after you reconnect the cables, check your video
controller and computer, as your monitor is functioning properly.
NOTE: The message may be slightly different according to the connected input
signal.
NOTE: While in self-test mode, the power LED remains white.
5. This box also appears during normal system operation, if the video cable
becomes disconnected or damaged.
6. 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.
Built-in diagnostics
Your monitor has a built-in diagnostic tool. It helps you determine if the
screen abnormality that you are experiencing is an inherent problem with your
monitor or with your computer and video card.
To run the built-in diagnostics:
1. Ensure that the screen is clean (no dust particles on the surface of the
screen).
2. Press the Joystick button to launch the OSD Main Menu.
3. Move the joystick button to select Others > Self-Diagnostic to initiate
the self-diagnostic process.
27 Monitor
Brightness/Contrast Input Source Color Display Audio Menu
DDC/CI LCD Conditioning Self-Diagnostic Reset Others Factory Reset
Select
Personalize Others
More Information Exit
68 Troubleshooting
4. When initiated, a gray screen appears. Inspect the screen for
abnormalities. 5. Switch the joystick button. The color of the screen changes
to red. Inspect
the screen for abnormalities. 6. Repeat step 5 and inspect the screen when it
displays the colors green, blue,
black and white followed by the on-screen text. 7. The test is complete when
the text screen appears. To exit, toggle the joystick
button again. If you do not detect any screen abnormalities upon using the
Built-in diagnostics tool, the monitor is functioning properly. Check the
video card and computer.
Troubleshooting 69
Common problems
The following table contains general information about common monitor problems
you might encounter and the possible solutions:
Common Symptoms No video or power LED off
No video or power LED on
Poor focus
Shaky or jittery video
What you experience No picture
No picture or no brightness
Picture is fuzzy, blurry or ghosting
Wavy picture or fine movement
Possible Solutions
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. · Ensure that the correct input
source
is selected through the Input Source menu. · Increase brightness and contrast
controls 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 through the
Input Source menu. · Eliminate video extension cables. · Reset the monitor to
factory settings (Factory Reset). · Change the video resolution to the correct
aspect ratio. · Reset the monitor to factory settings (Factory Reset). · Check
environmental factors. · Relocate the monitor and test in another room.
70 Troubleshooting
Common Symptoms Missing pixels
Stuck-on pixels
Brightness problems Geometric distortion Horizontal or vertical lines
What you experience LCD screen has spots
LCD screen has bright spots
Picture too dim or too bright
Screen not centered correctly
Screen has one or more lines
Possible Solutions
· Cycle power On-Off.
· Pixel that is permanently off is a natural defect that can occur in LCD
technology.
· For more information about Dell Monitor Quality and Pixel Policy, see Dell
Support site at: www.dell.com/pixelguidelines.
· Cycle power On-Off.
· Pixel that is permanently off is a natural defect that can occur in LCD
technology.
· For more information about Dell Monitor Quality and Pixel Policy, see Dell
Support site at: www.dell.com/pixelguidelines.
· Reset the monitor to factory settings (Factory Reset).
· Adjust brightness and contrast controls through OSD.
· Reset the monitor to factory settings (Factory Reset).
· Adjust horizontal and vertical controls through OSD.
· Reset the monitor to factory settings (Factory Reset).
· 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.
Troubleshooting 71
Common Symptoms
Synchronization problems
What you experience
Screen is scrambled or appears torn
Safety related Visible signs of
issues
smoke or sparks
Intermittent problems
Monitor malfunctions on and off
Missing color
Picture missing color
Wrong color
Picture color not good
Possible Solutions
· Reset the monitor to factory settings (Factory Reset).
· 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. · Do not perform any troubleshooting
steps.
· Contact Dell immediately. · Ensure that the video cable connecting
the monitor to the computer is connected properly and is secure.
· Reset the monitor to factory settings (Factory Reset).
· Perform monitor self-test feature check to determine if the intermittent
problem occurs in self-test mode.
· 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.
· Try different Color Presets in Color settings OSD. Adjust R/G/B value in
Custom Color in Color settings OSD.
· Change the Input Color Format to RGB or YCbCr in the Color settings OSD.
· Run the built-in diagnostics.
72 Troubleshooting
Common Symptoms
What you experience
Possible Solutions
Image retention Faint shadow from · Set the screen to turn off after a few
from a static the static image
minutes of screen idle time. These can
image left on the that is displayed
be adjusted in Windows Power Options
monitor for a appears on the
or Mac Energy Saver setting.
long period
screen
· Alternatively, use a dynamically changing
screensaver.
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 settings OSD.
· Reset the monitor to factory settings (Factory Reset).
Cannot adjust OSD does not the monitor with appear on the the buttons on screen the rear of the panel
· Turn off the monitor, unplug the monitor power cable, plug it back and then
turn on the monitor.
· Check if the OSD menu is locked. If yes, move the joystick or or or and hold
for four seconds to unlock.
No input signal when user controls are pressed
No picture, the LED light is white
· Check the signal source. Ensure that the computer is not in Standby Mode by moving the mouse or pressing any key on the keyboard.
· Check if the video cable is plugged in properly. Disconnect and reconnect the video cable if necessary.
· Reset the computer or video player.
The picture does The picture cannot · Due to different video formats (aspect
not fill the entire fill the height or
ratio) of DVDs, the monitor may display
screen
width of the screen in full screen.
· Run the built-in diagnostics.
Troubleshooting 73
Common Symptoms
No video at HDMI or DisplayPort
What you experience
Possible Solutions
When connected · Unplug the HDMI or DisplayPort or
to some dongle
USB-C to DisplayPort cable from
or docking device dongle or docking device, then plug the
at the port, there docking HDMI, DisplayPort or USB-C to
is no video when
DisplayPort cable to the notebook.
unplugging or
plugging the cable
from the notebook.
Regulatory information
FCC notices (U.S. Only) and other regulatory information
For FCC notices and other regulatory information, see the regulatory
compliance website at www.dell.com/regulatory_compliance.
EU product database for energy label and product information sheet
S2725DS: https://eprel.ec.europa.eu/qr/1837683
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.
74 Regulatory information
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