Dell P2725HE Monitor Simplified Service Manual
Dell P2725HE Manual
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Dell P2725HE manual content summary:
- Dell P2725HE | Monitor Simplified Service Manual - Page 1
Service Manual - P2725HE Version: 01 Date: 2024/03/01 - Dell P2725HE | Monitor Simplified Service Manual - Page 2
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 - Dell P2725HE | Monitor Simplified Service Manual - Page 3
: 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 - Dell P2725HE | Monitor Simplified Service Manual - Page 4
3. Wiring Connectivity Diagram Interface Board - Dell P2725HE | Monitor Simplified Service Manual - Page 5
4. 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. - Dell P2725HE | Monitor Simplified Service Manual - Page 6
4. How to connect and disconnect power cable/ connectivity cable - Dell P2725HE | Monitor Simplified Service Manual - Page 7
5. Disassembly and Assembly 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. Tool Required: List the type and size of the tools that would typically - Dell P2725HE | Monitor Simplified Service Manual - Page 8
5. Disassembly and Assembly Procedures Lift up the middle frame away from the panel S10 module and put it aside. 1 Use a Philips-head screwdriver to remove 13pcs S7 screws for unlocking the middle frame with the panel. (No.1~13 screw size=M3x4, Torque=5±1kgfxcm) 2 8 6 4 1 5 3 9 7 S8 13 10 - Dell P2725HE | Monitor Simplified Service Manual - Page 9
5. Disassembly and Assembly Procedures Remove the black Mylar sheet from the hooks of the S15 main bracket as the picture below shown. Use a Philips-head screwdriver to remove 5pcs screws for unlocking the power board and interface board, and then release all the cables from the S16 hooks. (No.1~4 - Dell P2725HE | Monitor Simplified Service Manual - Page 10
5. Disassembly and Assembly Procedures 5.2 Assembly Procedures: Place a bracket chassis base on a protective S1 cushion, then paste 4pcs silicon sheet on the position as the picture below shown. Take a mylar to insert the hooks of the bracket to S5 cover the power board. Turn over a power board - Dell P2725HE | Monitor Simplified Service Manual - Page 11
5. Disassembly and Assembly Procedures Use a Philips-head screwdriver to tighten 2pcs S8 screws for locking the bracket with panel module. (No.1~2 screw size=M3x4, Torque=5±1kgfxcm) 1 2 Take 1pcs middle frame to assemble the panel S9 module, then adjust the middle bezel for two parts firmly - Dell P2725HE | Monitor Simplified Service Manual - Page 12
5. Disassembly and Assembly Procedures Locate the joystick board to the correct position of the rear cover, then use a Philips-head screwdriver to S15 tighten 1pcs screw for locking the joystick board with rear cover, then fix the key cable with 2pcs tapes. (No.1 screw size=M2x3.3,Torque=1±0. - Dell P2725HE | Monitor Simplified Service Manual - Page 13
6. Trouble Shooting Instructions Troubleshooting WARNING: Before you begin any of the procedures in this section, follow the Safety instructions. Sel f-test Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly. If yo ur monitor and computer - Dell P2725HE | Monitor Simplified Service Manual - Page 14
6. Trouble Shooting Instructions 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 - Dell P2725HE | Monitor Simplified Service Manual - Page 15
6. Trouble Shooting Instructions Common problems The following table contains general info rmation about common monitor problems you might encounter and the possible solutions: Common symptoms No video/power LED o No video/power LED on Poor focus Shaky/jittery video What you - Dell P2725HE | Monitor Simplified Service Manual - Page 16
6. Trouble Shooting Instructions Missing pixels Stuck-on pixels Brightness problems Geometric distortion Horizontal/ vertical lines LCD screen has spots •CyclepoweOr n-O. • Pixel that is permanently o is a natural defect that can occur in LCD technology. • For more information on Dell Monitor - Dell P2725HE | Monitor Simplified Service Manual - Page 17
6. Trouble Shooting Instructions Synchronization problems Safety related issues Intermittent problems Missing color connector. • Restart the computer in the safe mode. • Do not perform any troubleshooting steps. •ContacDt eilml mediately. • Ensure that the video cable connecting the monitor to - Dell P2725HE | Monitor Simplified Service Manual - Page 18
6. Trouble Shooting Instructions 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 • - Dell P2725HE | Monitor Simplified Service Manual - Page 19
6. Trouble Shooting Instructions Product speci c problems Speci c symptoms What you experience Possible solutions Screen image is too smal l Image is centered on • Check the Aspect Ratio setting screen, but does not - Dell P2725HE | Monitor Simplified Service Manual - Page 20
6. Trouble Shooting Instructions No video at HDMI/ DisplayPort/USB Type-C port No network connection The LAN port is not functioning When connected to Unplug the HDMI/DisplayPort/USB - Dell P2725HE | Monitor Simplified Service Manual - Page 21
6. Trouble Shooting Instructions When a PS console is A message appears Change the resolution of the PS connected, the to notify you that the console in Safe Mode. For the monitor is not monitor does not information about setting up the compatible with the support the current resolution, go to - Dell P2725HE | Monitor Simplified Service Manual - Page 22
6. Trouble Shooting Instructions Universal Serial Bus (USB) speci c problems Speci c symptoms USB interface is not charged compliant with the USB-C speci cation. The USB Type-C port (video and data) with icon supports USB 3.2 Gen1 and an output of 90 W. • Check that you use the USB Type-C cable - Dell P2725HE | Monitor Simplified Service Manual - Page 23
6. Trouble Shooting Instructions Wireless USB peripherals stop working when a USB 3.2 device is plugged in Wireless USB mouse does not work properly Wireless USB • Increase the distance between the
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Version: 01
Date: 2024/03/01
Service Manual - P2725HE