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Summary of Contents for Dell Pro E2425HM
- Page 1 Dell Pro 24 Monitor E2425HM Simplified Service Manual Model: E2425HM Regulatory Model: E2425HMf / E2425HMt March 2025 Regulatory information Rev. A00...
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Page 2: Notes, Cautions, And Warnings
A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2025 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. -
Page 3: Table Of Contents
Installing the interface board ................................27 Power board ................................30 Removing the power board .................................30 Installing the power board ...................................31 Troubleshooting ............................ 32 Self-test ..................................32 Built-in diagnostics ..............................33 Common problems ..............................34 Product-specific problems ............................35 Contacting Dell ............................36 Contents... -
Page 4: Safety Instructions
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. -
Page 5: Views Of E2425Hm Monitor
Views of E2425HM monitor Front view Figure 1. Front view of the monitor Table 1. Components and descriptions. Label Description To access the OSD menu and change the settings if required. Function buttons To turn the monitor on or off. A solid white light indicates that the monitor is turned on and is Power button (with LED indicator) functioning. -
Page 6: Back View
(based on Kensington Security Slot) prevent unauthorized movement of your monitor. See this label if you need to contact Dell for technical support. The Regulatory label (including MyDell QR Service Tag is a unique alphanumeric identifier that allows Dell service code, serial number, and Service Tag technicians to identify your monitor's specifications and access... -
Page 7: Side View
Side view Figure 4. Side view of the monitor Bottom view Figure 5. Bottom view of the monitor Table 3. Components and descriptions. Label Description To connect the monitor power cable. Power port Connect to your computer with the DisplayPort cable. DisplayPort 1.2 Connect to your computer with the HDMI cable. -
Page 8: Major Components Of E2425Hm Monitor
Major components of E2425HM monitor Figure 6. Major components Table 4. Components. Item Description Item Description Power board Stand riser Display panel Stand base Back cover Display middle-frame Chassis Keypad board Interface board Major components of E2425HM monitor... -
Page 9: Wiring Connectivity Diagram
Wiring connectivity diagram Figure 7. Wiring connectivity diagram Table 5. Cables. Item Description Lightbar cable Low-Voltage Differential Signaling (LVDS) cable Keypad cable Wiring connectivity diagram... -
Page 10: Connecting The Cables
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. To connect your monitor to the computer: 1. -
Page 11: Connecting Hdmi Cable
Connecting HDMI cable Figure 10. Connecting HDMI cable Wiring connectivity diagram... -
Page 12: Disassembly And Reassembly
Disassembly and reassembly CAUTION: The information in this section is intended for authorized service technicians in the EMEA region. Dell prohibits users from disassembling the monitor, and any damage caused by unauthorized servicing will not be covered under the warranty. -
Page 13: Stand
Stand Removing the stand Prerequisites 1. Follow the procedure in Before working inside your monitor. Steps 1. Lift the stand assembly up to access the release button. 2. Using a screwdriver, press the release button and pull the stand assembly away from the monitor. 3. -
Page 14: Installing The Stand
Installing the stand Steps 1. Align and insert the stand riser into the stand base until it snaps into place. 2. Slide the stand assembly into the grooves on the display back cover and snap it in place. Figure 12. Installing the stand Next steps 1. -
Page 15: Back Cover
Back cover Removing the back cover Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. Steps 1. Remove the two screws (M4x4.5) that secure the back cover to the chassis assembly. 2. Using a plastic scribe, pry the back cover starting from the bottom edge of the monitor. 3. - Page 16 Figure 14. Removing the back cover Disassembly and reassembly...
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Page 17: Installing The Back Cover
Installing the back cover Steps 1. Align the back cover with the chassis and snap it into place. NOTE: Align the screw holes on the back cover with the screw holes on the chassis assembly before applying slight pressure to the back cover. 2. -
Page 18: Chassis Assembly
Chassis assembly Removing the chassis assembly Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. Steps 1. Remove the four screws (M3x3) that secure the chassis to the display panel. 2. - Page 19 Figure 17. Removing the chassis assembly Disassembly and reassembly...
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Page 20: Installing The Chassis Assembly
Installing the chassis assembly Steps 1. Connect the LVDS cable to the connector on the display panel. 2. Position the chassis assembly on the display panel, ensuring the notch on the chassis bracket aligns with the rib at the bottom of the display middle-frame. - Page 21 Figure 19. Installing the chassis assembly Next steps 1. Install the back cover. 2. Install the stand. 3. Follow the procedure in After working inside your monitor. Disassembly and reassembly...
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Page 22: Keypad Board
Keypad board Removing the keypad board Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. 4. Remove the chassis assembly. Steps 1. Peel the tape from the bottom middle of the monitor. 2. -
Page 23: Installing The Keypad Board
Installing the keypad board Steps 1. Align and place the keypad board onto the display middle-frame. 2. Adhere the keypad cable to the panel shielding. 3. Adhere the tape to the bottom middle of the monitor. Figure 21 Installing the keypad board Next steps 1. -
Page 24: Interface Board
Interface board Removing the interface board Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. 4. Remove the chassis assembly. 5. Remove the keypad board. Steps 1. Remove the two hex screws from the VGA port. 2. - Page 25 Figure 23. Removing the interface board Disassembly and reassembly...
- Page 26 Figure 24. Removing the interface board Disassembly and reassembly...
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Page 27: Installing The Interface Board
Installing the interface board Steps Connect the LVDS cable to the connector on the interface board. 2. Connect the power cable to the connector on the interface board. 3. Align and place the interface board and power board to the chassis. 4. - Page 28 Figure 26. Installing the interface board Disassembly and reassembly...
- Page 29 Figure 27. Installing the interface board Next steps 1. Install the keypad board. 2. Install the chassis assembly. 3. Install the back cover. 4. Install the stand. 5. Follow the procedure in After working inside your monitor. Disassembly and reassembly...
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Page 30: Power Board
Power board Removing the power board Prerequisites 1. Follow the procedure in Before working inside your monitor. 2. Remove the stand. 3. Remove the back cover. 4. Remove the chassis assembly. 5. Remove the keypad board. 6. Remove the interface board. Steps 1. -
Page 31: Installing The Power Board
Installing the power board Steps 1. Connect the lightbar cable to the connector on the power board. Figure 29. Installing the power board Next steps 1. Install the interface board. 2. Install the keypad board. 3. Install the chassis assembly. 4. -
Page 32: Troubleshooting
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 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. -
Page 33: Built-In Diagnostics
Built-in diagnostics Your monitor has a built-in diagnostic tool that helps you determine if any screen abnormality you experience is an inherent problem with your monitor, or with your computer and video card. Figure 33. Built-in diagnostics function buttons To run the built-in diagnostics: 1. -
Page 34: Common Problems
• Cycle power On-off. A 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. Stuck-on pixels •... -
Page 35: Product-Specific Problems
Common symptoms Possible solutions Missing color Perform monitor self-test feature check. • Ensure that the video cable connecting the monitor to the computer is connected properly • and is secure. Check for bent or broken pins in the video cable connector. •... -
Page 36: Contacting Dell
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 about your purchase invoice, packing slip, bill, or Dell product catalog.
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