DELL P2724DEB Video Conferencing Monitor User Manual

Service Manual – P2724DEB
Version: 01
Date: 2023/10/18

Important Safety Notice

Product Announcement:
This product is certificated to meet RoHS Directive and Lead-Free produced definition.
Using approved critical components only is recommended when the situation to replace defective parts. Vender assumes no liability express or implied, arising out of any unauthorized modification of design or replacing non-RoHS parts. Service providers assume all liability.
Qualified Repairability:
Proper service and repair is important to the safe, reliable operation of all series products. The service providers recommended by vender should be aware of notices listed in this service manual in order to minimize the risk of personal injury when perform service procedures. Furthermore, the possible existed improper repairing method may damage equipment or products. It is recommended that service engineers should have repairing knowledge, experience, as well as appropriate  product training per new model before performing the service procedures.
NOTICE:

• To avoid electrical shocks, the products should be connected to an authorized power cord, and turn off the master power switch each time before removing the AC power cord.
• To prevent the product away from water or expose in extremely high humility environment.
• To ensure the continued reliability of this product, use only original manufacturer’s specified parts.
• To ensure following safety repairing behavior, put the replaced part on the components side of PWBA, not solder side.
• To ensure using a proper screwdriver, follow the torque and force listed in assembly and disassembly procedures to unscrew screws.
• Using Lead-Free solder to well mounted the parts.
• The fusion point of Lead-Free solder requested in the degree of 220°C.

Exploded view diagram with list of items

Item| Description| Q ‘ ty|

Remark

---|---|---|---
1| Front Trim| 1| For EMEA Only, not for other regions
2| Touch Function Board| 1
3| Panel| 1
4| Power Mylar| 1
5| Power Board| 1
6| Interface Board| 1
7| Main Chassis ASSY| 1
8| Middle Frame| 1
9| USB Board| 1
10| MIC ASSY| 1
11| Speaker ASSY| 1
12| Camera ASSY| 1
13| Power Button| 1
14| Rear Cover ASSY| 1
15| Riser ASSY| 1
16| Base ASSY| 1
17| Power cable (varies by country)| 1| See “NOTE”
18| DisplayPort 1.8 M cable (DisplayPort to DisplayPort)| 1| See “NOTE”
19| USB 3.2 Gen1 1.8 M Type A to Type B cable upstream cable| 1| See “NOTE”
20| USB-C®  Gen2 1.0 M cable (C to  C)| 1| See “NOTE”

NOTE:
For replacement of power cord, connectivity cable and external power supply (if applicable), contact Dell:

1. Go to https://www.dell.com/support.
2. Verify your country or region in the Choose A Country/Region drop-down menu at the bottom-right corner of the page.
3. Click Contact Us next to the country dropdown.
4. Select the appropriate service or support link based on your need.
5. Choose the method of contacting Dell that is convenient for you.

Wiring Connectivity Diagram

How to connect and disconnect power cable/ connectivity cable

WARNING: To change power cable/ connectivity cable, switch off power before unplugging the cable and replugging in required cable. Connecting the HDMI cable (Optional) Connecting the DP cable

Connecting the monitor for DP Multi-Stream Transport (MST) function Connecting the USB cable

Connecting the USB-C Cable (A to C) (Optional) Connecting the USB Type-C cable (C to C) Connecting the monitor for USB-C Multi-Stream Transport (MST) function Connecting the monitor for RJ45 Cable (Optional)

Disassembly and Assembly Procedures

Tool Required:
– Screwdriver(Phillip head) #2
– Screwdriver(Phillip head) #1
– Penknife
– Soldering iron and absorber
5.1 Disassembly Procedures:
NOTE:
This “Disassembly and Assembly Procedures” is for EMEA only, not for other regions. Please note that Dell will deem warranty void if any disassembly is done on the monitors.
List the type and size of the tools that would typically can be used to disassemble the product to a point where components and materials requiring selective treatment can be removed.
Tool Description:

Remove the monitor stand base:

1. Place the monitor on a soft cloth or cushion.
2. Press and hold the stand-release button.
3. Lift the stand up and away from the monitor.

screws for unlocking mechanisms. Remove DP cap.
Use a Philips-head screwdriver to remove 4pcs
(No.1~4 screw size=M4x11; Torque=11±1kgfxcm)
Wedge your fingers between rear cover and the middle bezel on the corners of the top side of the monitor to release the rear cover, then use one hand to press the middle bezel, the other hand to pull up carefully the rear cover in order of arrow preference for unlocking mechanisms of rear cover.Lift the rear cover up carefully. Disconnect the joystick key cable from the connector of the main board, and then remove the rear cover and put it aside for later disassembling.
Use a Philips-head screwdriver to remove 3pcs screw for unlocking the joystick board, then tear off all the tapes and release the joystick cable.
(No.1~3 screw size=M2x3.3, Torque=1±0.2kgfxcm)Disconnect the touch cable away from the connector of the main board, then tear off 2pcs aluminum foil and 3pcs acetate tape.Tear off 3pcs acetate tapes , then disconnect the speakers’ cable away from the connector of the main board, and then use a Philips-head screwdriver to remove 6pcs screws for unlocking the two speakers with the middle frame, and remove the speakers.
(No.1~6 Screw size= M3x6, Torque=4~5kgfxcm)Disconnect the panel lamp cable away from the interface board and panel module, then tear off the tape and remove the panel lamp cable. Disconnect the camera cable away from the connector of the interface board.Tear off 1pcs aluminum foil for releasing the USB cable. Use a Philips-head screwdriver to remove 1pcs screw for unlocking the USB unit, then disconnect the two USB cables away from the connectors of interface board. Release the USB board away from the hook of the middle frame.
(No.1 screw size=M3x3,5, Torque=4 0.5 kgfxcm)± Use a Philips-head screwdriver to remove 2pcs screws for unlocking the middle frame with panel module and front bezel.
(No.1~2screw size=M2x3.3,Torque=1±0.2kgfxcm)Use a Philips- head screwdriver to remove 4pcsscrews for unlocking the camera unit.
(No.1~4 Screw size= M3x8, Torque=6±0.5kgfxcm)Use a Philips-head screwdriver to remove 4pcs screws for unlocking the bracket chassis with the panel, then disconnect the touch cable.
(No.1~4 Screw size= M3x4, Torque=5±1kgfxcm )Disconnect the LVDS cables away from the connectors of the panel module, then lift up and take away the bracket chassis and put it on a protective cushion. Release the assembled camera unit from the probers of the middle frame and put it aside for later disassembling.            Tear off 2pcs aluminum foil to release the Mic boards Use a Philips-head screwdriver to remove 13pcs screws for unlocking the middle frame with the panel.
(No.1~12 screw size=M3x4,Torque=3±0.5kgfxcm)Lift up the middle bezel away from the pane module, then put it on a cushion foam for later disassembling. Use a Philips-head screwdriver to remove 4pcs screws for unlocking the left and right Mic boards with the middle frame, then release the two Mic boards away from the middle frame.
(No.1~4 screw size=M2x3.3,Torque=1±0.2kgfxcm)Release the touch key cable away from the panel, then disassemble the front bezel with the panel, then tear off the mylar tape and release the touch board.Remove the Mylar tape from the hooks of the bracket chassis.Use a Philips-head screwdriver to remove 8pcs screws for interface board and power board with the bracket chassis module.
(No.1 screw size=M4x8, Torque=7.5±0.5kgfxcm; No.2~8 screw size=M4x8, Torque=7.5±0.5kgfxcm)Remove the power board and interface board from the bracket chassis module carefully, and then disconnect all of the cables. 5.2 Assembly Procedures:

Place a bracket chassis base on a protective cushion, then stick 7pcs Silicon sheets on the positions as the picture below shown.Turn over a power board and put the power board into the bracket chassis, settle the panel power cable to the correct position. Take 1pcs interface board, connect 2pcs LVDS cable to the connectors of the interface board, then connect the cable of the power board to the connector of the interface board. Turn over the interface board and locate it into the main chassis. Use a Philips-head
screwdriver to tighten 8pcs screws for locking the interface board and power board.
No.2~8 screw size=M4x8, Torque=7.5±0.5kgfxcm) (No.1 screw size=M4x8, Torque=7.5±0.5kgfxcm; Turn over the bracket chassis, and then take 1pcs black mylar to insert the hooks of the bracket chassis to cover the power board. Panel preparation: Take out 1pcs panel module from the carton, remove the protective film by tearing off the tapes, then Examine the panel surface to place screen faced down for later assembling. according to inspection criteria. Turn over the panel Take1pcs touch board,1pcs key cable and 1pcs front bezel, then connect the key cable to the connector of the board. Tear off the release paper and paste the touch board on the correct position of the front bezel, then paste 1pcs mylar to cover the touch board. Move the front bezel close to the panel module, then assemble the front bezel with the panel module. Take 1pcs left Mic board,1pcs right Mic board and some essential cables, then assemble 1pcs rubber with left Mic board and assemble 1pcs rubber with right Mic board, then connect left Mic board right Mic board with cables as the picture below shown. Take 1pcs middle frame with speaker cover, then put the middle frame and locate the Mic boards to the correct positions, then use a Philips-head screwdriver to lock 4pcs screws for locking the left and right Mic boards as the picture below shown.
(No.1~4 screw size=M2x3.3,Torque=1±0.2kgfxcm)Tear off the release paper on the back of the touch cable and then fix the cable on the back of the panel. Move the middle frame with Mic boards close to the panel unit, then assemble the middle bezel unit with the front bezel and panel module. Use a Philips-head screwdriver to lock 13pcs screws for locking the middle frame unit with the panel, then paste 2pcs aluminum foil to fix the Mic board.
(No.1~13 screw size=M3x4,Torque=3±0.5kgfxcm)Take 1pcs camera unit assembled in LCM line, then locate the camera unit into the pins of the middle frame. Move the bracket and put it on the back of panel, then connect the 2pcs LVDS cables to the connectors of the panel module. Use a Philips-head screwdriver to tighten 4pcs screws for locking the bracket with the panel, then take 1pcs camera cable to connect camera with main board.
(No.1~4 Screw size= M3x4, Torque=5±1kgfxcm )                     Use a Philips-head screwdriver to tighten 4pcs screws for locking the camera unit with the middle frame.
(No.1~4 Screw size= M3x8, Torque=6±0.5kgfxcm) Use a Philips-head screwdriver to tighten 2pcs screws for locking the middle frame with panel module and front bezel.
(No.1~2screw size=M2x3.3,Torque=1±0.2kgfxcm)Take 1pcs USB board, 2pcs connective cables and 1pcs conductive foam. Connect the 2pcs cables to the connectors of the USB board, then turn over the board and paste the conductive foam on the back of the USB board as the picture below shown.Locate the USB board into the hook of the middle frame. Use a Philips-head screwdriver to tighten 1pcs screw for locking the USB unit with the middle frame, then connect the two USB cables to the connectors of main board, then fix the cable with 1pcs aluminum foil as the picture below shown.
(No.1 screw size=M3x3.5, Torque=4 0.5 kgfxcm)±Take 1pcs panel lamp cable to connect the main board with panel, then fix the lamp cable on the back of the panel with tape. Connect the camera cable to the connector of the main board.Take a pair of speakers to locate the probers, then Use a Philips-head screwdriver to tighten 6pcs screws for locking the two speakers with the middle frame, and then connect the speaker’s cable to the connector of the main board and fix the cables and with 3pcs acetate tape as the picture below.
(No.1~6 Screw size= M3x6, Torque=4~5kgfxcm)connect the touch cable to the connector of the interface board, then paste 2pcs aluminum foil on the specific positions for fixing the bracket and panel connectors as the picture below shown. Take 1pcs joystick key, 1pcs joystick board and 1pcs key cable, then assemble the joystick key with board and connect the key cable to the connector of the key board.Locate the joystick board to the correct position of the rear cover, then use a Philips-head screwdriver to tighten 3pcs screws for locking the joystick board with rear cover, fix the key cable on the rear cover by 3pcs adhesive tapes on the back of the cable.
(No.1~2 screw size=M2x3.3,Torque=1±0.2kgfxcm)Move the assembled rear cover close to the panelunit, then connect the joystick cable to the connector of interface board. Put down the rear cover and push the rear cover on the positions marked as the picture below shown for mechanisms engagement.Use a Philips- head screwdriver to tighten 4pcs screws for locking the rear cover with the unit. Paste 2pcs label on the specific positions.
(No.1~4 screw size=M4x11; Torque=11±1kgfxcm)Insert a DP out Cap into the DP out connector. Take a stand base close to the monitor. Fit the two tabs on the upper part of the stand into the grooves, and then lower the stand so that the monitor mounting area snaps onto the stand.Lift up the monitor to check the gap between the front bezel and the panel, then provide power supply and a video signal to the monitor, then turn on the monitor for functionality check.

 Trouble Shooting Instructions

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:

1. Turn o both your computer and the monitor.

2. Unplug the video cable from the back of the computer. To ensure proper Self-Test operation, remove all digital and the analog cables from the back of computer.

3. Turn on the monitor.
   The oating 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.

4. This box also appears during normal system operation if the video cable becomes disconnected or damaged.

5. Turn o 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 that helps you determine if the screen abnormality 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. Select OSD items of Self-Diagnostics in Others feature.
3. Press the joystick button to start the diagnostics. A gray screen is displayed.
4. Observe if the screen has any defects or abnormalities.
5. Toggle the joystick once again until a red screen is displayed.
6. Observe if the screen has any defects or abnormalities.
7. Repeat steps 5 and 6 until the screen displays green, blue, black, and white colors. Note any abnormalities or defects.

The test is complete when a text screen is displayed. To exit, toggle the joystick control again.
If you do not detect any screen abnormalities upon using the built-in diagnostic tool, the monitor is functioning properly. Check the video card and computer.

Common Problems
The following table contains general information about common monitor problems you might encounter and the possible solutions:

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 depressed 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 and contrast controls via 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.
Missing Pixels| LCD screen has
spots| • Cycle power on-o.
• Pixel that is permanently o 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:
https://www.dell.com/pixelguidelines.
Stuck-on Pixels| LCD screen has
bright spots| • Cycle power On-O.
• Pixel that is permanently o is a natural defect that can occur in LCD technology.
• For more information on Dell Monitor Quality and PixelPolicy, see Dell Support site at:
https://www.dell.com/pixelguidelines.
Brightness Problems| Picture too dim or too bright| • Reset the monitor to factory settings.
• Adjust brightness and contrast controls via OSD.
Safety Related Issues| Visible signs of
smoke or sparks| • Do not perform any troubleshooting steps.
• Contact Dell immediately.
Intermittent Problems| Monitor malfunctions on
& on| • 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.
• 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| • Change the settings of the Preset Modes in the Color menu OSD depending on the application.
• Adjust R/G/B value under Custom Color in Color menu OSD.
• Change the Input Color Format to PC RGB or YPbPr in the Color menu OSD.
• Run the built-in diagnostics.
Image retention from 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 o 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.
Mic/Webcam
does not work| • USB cable not plug in or
not select the correct USB
source
• Not set the monitor Mic/
webcam as the default device| • Plug in the USB Cable (Type-A to Type-B or Type-C to Type-C), and if you connect both USB-C port, please switch the USB source in the OSD menu.
• Select the monitor Mic/webcam as the default in the PC side.
• Touch the Mic button and make sure the Mic mute LED is dark.

Product specic problems

• Reset the monitor to factory settings.
Cannot adjust the monitor with the joystick control on the rear of
the monitor| OSD does not appear on the screen| • Turn o the monitor, unplug the monitor power cable, plug it back, and then turn on the monitor.
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 power saving mode by moving the mouse or pressing any key on the keyboard.
• Check whether the signal cable is plugged in properly. Connect the signal cable again, if necessary.
• Reset the computer or video player.
The picture does not ll the entire screen| The picture cannot ll the height or width of the screen| • Due to dierent video formats (aspect ratio) of DVDs, the monitor may display in full screen.
• Run the built-in diagnostics.
No image when using DPconnection to the PC| Blank screen| • Verify which DP standard is your Graphics Card certied to. Download and install the latest graphics card driver.
• Some DP 1.1a graphics card cannot support DP 1.2/1.4 monitors.
No image when using USB Type-C connection to computer, laptop, and so on| Blank screen| • Verify if the USB Type-C interface of the device can support DP alternate mode.
• Verify if the device required more than 90 W power charging.
• USB Type-C interface of device cannot support DP alternate mode.
• Set Windows to Projection mode.
• Ensure that the USB Type-C cable is not damaged.
No charging when using USB Type-C connection to computer,
laptop, and so on| No charging| • Verify if the device can support one of 5 V/9 V/15 V/20 V charging proles.
• Verify if the Notebook requires a >90 W power adaptor.
• If the Notebook requires a >90 W power adaptor, it may not charge with the USB Type-C connection.
• Ensure that you use only Dell approved adapter or the adapter that comes with the product.
• Ensure that the USB Type-C cable is not damaged.
Intermittent charging when using USB Type-C connection to
computer, laptop, and so on| Intermittent charging| • Check if the maximum power consumption of device is over 90 W.
• Ensure that you use only Dell approved adapter or the adapter that comes with the product.
• Ensure that the USB Type-C cable is not damaged.
No image when using USB
Type-C MST| Blank screen or 2  DUT is not Prime mode nd| • USB Type-C input, Go to OSD menu, under Display Info check the Link Rate is HBR2 or HBR3, if Link Rate is HBR2, suggest to use USB Type-C to DP cable to turn on MST.
No network
connection| Network dropped
or Intermittent| • Do not toggle O/On the power button
when network is connected, keeps the power
button On.
The LAN port is not functioning| OS setting or cable connection issue| • Ensure that the latest BIOS and drivers for your computer are installed on your computer.
• Ensure that the RealTek Gigabit Ethernet Controller is installed in the Windows Device Manager.
• If your BIOS Setup has a LAN/GBE Enabled/ Disabled option, make sure it is set to Enabled.
• Ensure that the Ethernet cable is connected securely on the monitor and the hub/router/ rewall.
• Check the status LED of the Ethernet cable to conrm connectivity. Re-connect both ends of the Ethernet cable if the LED is not lit.
• First power o the Computer and unplug the Type-C cable and power cord of the monitor. Then, power on the computer, plug in the monitor power cord and Type-C cable.
Monitor buttons (Mute / Volume down / Volume up / Hookswitch) not working with Microsoft Teams ®  App| Monitor buttons (Mute / Volume down / Volume up / Hookswitch) not working on Microsoft Teams® App with Chrome OS / Ubuntu| Use Microsoft Teams® App to perform the below tasks:
• Call Icon to accept / hang up call
• Volume down / Volume up adjustment
• Mic mute / unmute
• Video on / off
Headset with Mic (3.5mm combo jack) not working with
monitor mute / unmute button| Headset with Mic (3.5mm
combo jack) not working with monitor mute / unmute button| • Use UC App (e.g. Microsoft Teams, Skype for Business, Zoom, etc.) Mic Icon to mute / unmute
• Select ‘Echo Cancelling Speakerphone’ audio path in the ‘Sounds Setting’ on UC application.
• Connect the USB-C to C cable or USB-A to B cable.
When press either Volume down / Volume up or Mute button, LED not blink| When press either Volume down / Volume up or Mute button, LED not blink when connected to HDMI or DP only| Connect USB-A to USB-B cable
Webcam or Mic not working| Webcam or Mic not working when connected to HDMI or DP only| Connect USB-A to USB-B cable
Ethernet port (RJ45) cannot connect to internet| Ethernet port (RJ45) cannot connect to internet on Win 10 / Win 11| Change the LAN Controller Power Saving from Enable to Disable
No sound coming from the speakers| No sound coming from the speakers when play audio/
video on your system| • Ensure that you have set the default playback device as Echo Cancelling Speakerphone or DELL P2724DEB on your system.
• Turn O the monitor, unplug the monitor power cord, replug it, and then turn On the monitor.
• Reset the monitor to Factory Settings.
Speaker volume is low/sounds
soft| Speaker volume is low/sounds soft when speaker option is DELL P2724DEB in Sound setting interface| • Increase the speaker volume of DELL P2724DEB to maximum in the Sound setting interface
• Press the Volume Up button to increase the speaker volume of DELL P2724DEB
• If you select DELL P2724DEB audio path, please ensure that the Echo Cancelling Speakerphone volume is set to medium or
high. Else, the DELL P2724DEB maximum volume may sound soft because it is limited by the Echo Cancelling Speakerphone
volume. For example, when the Echo Cancelling Speakerphone volume is at 50%, and the DELL P2724DEB volume is set to
100% will have the same sound level as the former.
No sound from speaker| No sound from monitor’s speaker when in Teams/
Zoom call.| • Select the same audio path in the Teams/ Zoom application as the operating system’s Sound setting.
Monitor’s Volume up/ Volume down buttons not sync with OS| Pressing the Volume up/Volume down buttons
on the monitor does not increase or decrease the
volume on the OS.| • Select ‘Echo Cancelling Speakerphone’ audio path on the operating system’s Sound setting of your laptop.
• Select ‘Echo Cancelling Speakerphone’ audio path on the UC application.
• Connect the USB-C to C cable or USB-A to B cable.
Webcam is not detected| Webcam is not detected in the Windows Device Manager| • Ensure that the USB upstream cable is connected between the monitor and the computer or notebook.
• Ensure that the Webcam & Presence Sensor in OSD is set to Enable.
• Reconnect the USB upstream cable to the computer or notebook.
Webcam is not detected in the Dell Peripheral Manager for Windows software| • To support the P2724DEB monitor, please use the Dell Peripheral Manager version 1.7.0 or later.
Webcam cannoconnect/ Webcam disconnected| Could not detect Monitor camera/ Could not switch
back to the PC camera| • Reset the monitor to factory settings.
• Turn o the monitor, unplug the monitor power cord, replug it, and then turn on the monitor.
• Select the monitor camera again in the Camera/Video setting on your UC conference application.
Microphone is muted| Microphone is muted in  the Windows Device Manager| • Ensure that the USB upstream cable is connected between the monitor and the computer or notebook.
• Ensure that the ‘Microphone’ in OSD is set as Unmute.
• Reconnect the USB upstream cable to the computer or notebook.
• Ensure that the microphone is enabled/ unmuted on the monitor. If the microphone mute LED is lighting up in static red (indicates microphone muted), press the microphone button to unmute the microphone.
• Ensure that the monitor’s microphone is selected and enabled/unmuted on the setting in the UC application.
Webcam is not detected| Webcam is not detected in the Windows Device Manager| • Ensure that the USB upstream cable is connected between the monitor and the computer or notebook.
• Ensure that the Webcam & Presence Sensor in OSD is set to Enable.
• Reconnect the USB upstream cable to the computer or notebook.
Webcam is not detected in the Dell Peripheral Manager for Windows software| • To support the P2724DEB monitor, please use the Dell Peripheral Manager version 1.7.0 or later.
Webcam cannot connect/
Webcam disconnected| Could not detect Monitor camera/ Could not switch
back to the PC camera| • Reset the monitor to factory settings.
• Turn o the monitor, unplug the monitor power cord, replug it, and then turn on the monitor.
• Select the monitor camera again in the Camera/Video setting on your UC conference application.
Microphone is muted| Microphone is muted in the Windows Device Manager| • Ensure that the USB upstream cable is connected between the monitor and the computer or notebook.
• Ensure that the ‘Microphone’ in OSD is set as Unmute.
• Reconnect the USB upstream cable to the computer or notebook.
• Ensure that the microphone is enabled/ unmuted on the monitor. If the microphone mute LED is lighting up in static red (indicates microphone muted), press the microphone button to unmute the microphone.
• Ensure that the monitor’s microphone is selected and enabled/unmuted on the setting in the UC application.
Webcam is not detected| Webcam is not detected in the Windows Device Manager| • Ensure that the USB upstream cable is connected between the monitor and the computer or notebook.
• Ensure that the Webcam & Presence Sensor in OSD is set to Enable.
• Reconnect the USB upstream cable to the computer or notebook.
Webcam is not detected in the Dell Peripheral Manager for Windows software| • To support the P2724DEB monitor, please use the Dell Peripheral Manager version 1.7.0 or later.
Webcam cannot connect/
Webcam disconnected| Could not detect Monitor camera/ Could not switch
back to the PC camera| • Reset the monitor to factory settings.
• Turn o the monitor, unplug the monitor power cord, replug it, and then turn on the monitor.
• Select the monitor camera again in the Camera/Video setting on your UC conference application.
Microphone is muted| Microphone is muted in the Windows Device Manager| • Ensure that the USB upstream cable is connected between the monitor and the computer or notebook.
• Ensure that the ‘Microphone’ in OSD is set as Unmute.
• Reconnect the USB upstream cable to the computer or notebook.
• Ensure that the microphone is enabled/ unmuted on the monitor. If the microphone mute LED is lighting up in static red (indicates microphone muted), press the microphone button to unmute the microphone.
• Ensure that the monitor’s microphone is selected and enabled/unmuted on the setting in the UC application.
Webcam image looks blurry| Webcam image appears blurry/not clear.| • Use a clean and slightly damp cloth to wipe the surface of the front webcam.
• Adjust the distance between the user and the camera. The user should avoid sitting too far away from the camera. The most optimum distance between the user and the camera is 70 cm.
Teams Microphone volume| Teams Microphone volume is lower than Zoom| • This is normal behavior as the volume specications are dierent between Teams and Zoom.
Teams/Zoom small window
distorted| Teams/Zoom small window image distorted| • This is normal behavior. The resolution of the small images are compressed when the main image is in high resolution (2K). If a lower resolution (720P & 1080P) is selected, there will not be any dierence between the images.
Image quality poor| The image quality of the monitor was poor| Always poor:
• Check that your computer is USB 3.0-capable.
• Some computers have USB 3.0, USB 2.0, and USB 1.1 ports. Ensure that the correct USB port is used.
Sometime poor:
• Network will eect the image quality,ensure your network is ne.
Proximity sensor does not work| Presence detection/wakeup not working| • When using Teams/Zoom call, the wake up function not working is normal.
• It works when a user is not using Teams/ Zoom.
The recording video blurred out.| Change monitor Camera resolution to 480p, Record
with the camera app, save and playback the recording. There will show Mosaic in the video.| • Change monitor camera resolution to 720p or higher.
The USB device cannot work
on 2  monitor (MST) nd| Platform connect to dock with USB-C cable.
Connect 1 st
monitor with DP cable and a USB-A to USB-C cable to
Docking.
Connect DP cable from 1st
monitor (DP Out) to 2 nd
monitor (DP Port). Connect USB A-C cable from 1 st monitor (USB-A)
to 2 nd  monitor (USB-C).
The USB device cannot work on 2 nd monitor.| • Exceed USB hub topology
• Workaround:
Option 1: Without the dock, just direct connect the computer and the two monitors.
Option 2: If a dock is needed, do not use the USB hub of the 2 nd monitor.
Notebook not charging via USB-C| Notebook ≥ 180W not charging when connected
to P2724DEB monitor USB-C port| • Connect the Notebook with Power adaptor
Notebook cannot power on| When the Notebook battery is at 0%, Notebook
cannot power on when connecting USB-C cable to
monitor| • Connect the Notebook with Power adaptor
The wireless mouse does not
work smoothly and pauses.| Connect USB up-stream cable to the DUT. More
than one meter away, 2.4Ghz mouse does not
work.| • Workaround:
a) connect to Quick Access Port
b) Connect USB 2.4Ghz dongle via USB-A Male to Female cable (0.5M)
Black screen shows up on
monitor after Mac book restarting system under lid closing.| When you close the lid of your Mac book and restart
your Mac book, the monitor will show black screen.| • Move the mouse or hit the keyboard to wake up the Mac book.
• Turn on the monitor setting of fast wakeup, Personalize -> Fast Wakeup -> on.
Microsoft®  Teams® /Skype for Business specic problems®
The Teams button is not working| Short press on the Teams
button does not bring up Teams application to the foreground| • Ensure that the USB upstream cable (Type-A to Type-B or Type-C to Type-C) is connected from the PC to the monitor.
• Ensure that the Teams application is signed in and is already running at the background. The Teams button’s LED will light in static white.
• Ensure that the Teams account is provisioned/ setup as ‘Teams Only’ mode. The tenant administrator should enable the account to ‘Teams Only’ mode.
• Teams button will only work with Teams application in ‘Teams Only’ mode. Setting might vary in corporate environment, resulting in Teams button not working on the monitor. Please check with your system administrator.
The Hookswitch button is not
working| Short press on the Hookswitch button does not answer call| • Ensure that the USB upstream cable (Type-A to Type-B or Type-C to Type-C) is connected from the PC to the monitor.
• Ensure that the Teams account is provisioned/ setup as ‘Teams Only’ mode. The tenant administrator should enable the account to ‘Teams Only’ mode.
The Mute button is not working| Press on the Mute button
does not mute and unmute
microphone| • Ensure that the USB upstream cable (Type-A to Type-B or Type-C to Type-C) is connected from the PC to the monitor.
• Ensure that the Mute button’s LED will go dark (indicates microphone unmuted).
• Ensure that the Teams account is provisioned/ setup as ‘Teams Only’ mode. The tenant administrator should enable the account to ‘Teams Only’ mode.
Webcam no image| Webcam no image when
using Skype for Business (SfB)| • Ensure that the USB upstream cable (Type-A to Type-B or Type-C to Type-C) is connected from the PC to the monitor.
• Select ‘DELL Monitor RGB Webcam’ as the camera in Skype Video Device setting.
Webcam being occupied| Webcam being occupied and can’t be used| • Avoid running multiple conference softwares at the same time. While you are using ‘conference software A’, close the other ‘conference software B’.

Universal Serial Bus (USB) specic problems

your display is turned ON.
• Reconnect the upstream cable to your computer.
• Reconnect the USB peripherals (downstream connector).
• Turn o the monitor and turn it on again.
• Reboot the computer.
• Certain USB devices such as portable hard drives require higher power source; connect the drive to the computer directly.
super speed USB 3.2 Gen1 interface is slow.| super speed USB 3.2 Gen1
peripherals working slowly or not working at all| • Check that your computer is USB 3.0-capable.
• Some computers have USB 3.0, 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 3.0 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 3.0 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 3.0 port.

References

• former.no is parked
• RTDVR ActiveX
• mst.no
• Screen Story
• Fiberbredbånd med høy hastighet - Vi leverer Altibox! - Signal Bredbånd

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