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Summary of Contents for Dell Alienware 34
- Page 1 Alienware 34 240Hz QD-OLED Gaming Monitor AW3425DW Simplified Service Manual Model: AW3425DW Regulatory Model: AW3425DWb March 2025 Rev. A00...
- Page 2 WARNING: 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 Contacting Dell ........
- Page 4 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 AW3425DW monitor Side view Figure 1. Side view of the monitor Views of AW3425DW monitor...
- Page 6 Front view Figure 2. Front view of the monitor Table 1. Components and descriptions. Label Description Cable-management slot Use to organize cables by inserting them through the slot. Power button (with LED indicator) To turn the monitor on or off. A solid blue light indicates that the monitor is turned on and is functioning.
- Page 7 Back view Figure 3. Back view of the monitor Table 2. Components and descriptions. Label Description Regulatory label Lists the regulatory approvals. VESA mounting holes (4) (100 mm Wall-mount the monitor using VESA-compatible wall mount kit. x 100 mm) - behind attached VESA cover Stand release button Releases the stand from the monitor.
- Page 8 Label Description My Alienware QR code, serial See this label if you need to contact Dell for technical support. The number, and Service Tag label Service Tag is a unique alphanumeric identifier that enables Dell service technicians to identify the hardware components in your monitor and access warranty information.
- Page 9 Major components of AW3425DW monitor Figure 5. Major components of AW3425DW monitor Major components of AW3425DW monitor...
- Page 10 Front trim USB board Interface board Stand base NOTE: For replacement of power cable, connectivity cable and external power supply (if applicable), contact Dell: Go to Dell Support Site. 2. Verify your country or region in the Choose A Country/Region drop-down menu at the bottom-right corner of the page.
- Page 11 Wiring connectivity diagram Figure 6. Wiring connectivity on display assembly Figure 7. Wiring connectivity on display back cover Table 5. Wiring connectivity description. Item Description Lens-board cable Fan cable USB board cable Control-board cable LED-board cable Wiring connectivity diagram...
- Page 12 NOTE: Do not connect all cables to the computer simultaneously. It is recommended to route the cables through the cable- management slot before you connect them to the monitor. NOTE: Alienware monitors are designed to work optimally with Alienware-supplied inbox cables. Dell does not guarantee the video quality and performance if non-Alienware cables are used.
- Page 13 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 14 Stand Removing the stand Prerequisites Follow the procedure in Before working inside your monitor. CAUTION: To prevent scratches on the screen when removing the stand, ensure that the monitor is placed on a soft surface and handle it carefully. CAUTION: The following steps are specifically 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.
- Page 15 Installing the stand Steps Align the tabs on the stand with the grooves at the back of the monitor. 2. Slide and gently press the stand assembly until it snaps into place. Figure 12. Installing the stand Next steps Follow the procedure in After working inside your monitor.
- Page 16 Back Cover Removing the back cover Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Steps Remove the four screws (M4x10) that secure the back cover to the display assembly. Figure 13. Removing the back cover Disassembly and reassembly...
- Page 17 2. Using a plastic scribe, pry the back cover starting from the bottom edge of the monitor. Figure 14. Removing the back cover Lift the back cover partially from the bottom edge. Disconnect the control-board cable from the connector on the interface board. Disconnect the LED-board cable from the connector on the interface board.
- Page 18 Installing the back cover Steps Connect the LED-board cable to the connector on the interface board. 2. Connect the control-board cable to the connector on the interface board. Figure 16. Installing the back cover Align the screw holes on the back cover with the screw holes on the monitor, and gently press along the sides to snap the back cover into place.
- Page 19 Replace the four screws (M4x10) to secure the back cover to the display assembly. Figure 18. Installing the back cover Next steps Install the stand. 2. Follow the procedure in After working inside your monitor. Disassembly and reassembly...
- Page 20 Metal shield Removing the metal shield Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Remove the back cover. Steps Disconnect the lens-board cable from the connector on the interface board. 2. Disconnect the USB-board cable from the connector on the USB board. Figure 19.
- Page 21 Remove the four screws (M3x3) that secure the metal shield to the middle frame. Figure 20. Removing the metal shield Partially lift the metal shield and disconnect the DC-DC board cable from the connector on the display panel. Disconnect the two LVDS cables from the connectors on the display panel. Figure 21.
- Page 22 Remove the metal shield from the display panel. Figure 22. Removing the metal shield Disassembly and reassembly...
- Page 23 Installing the metal shield Steps Connect the two LVDS cables to the connectors on the display panel. 2. Connect the DC-DC board cable to the connector on the display panel. Figure 23. Installing the metal shield Disassembly and reassembly...
- Page 24 Align and place the metal shield on the display panel. Replace the four screws (M3x3) to secure the metal shield to the middle frame. Figure 24. Installing the metal shield Connect the USB-board cable to the connector on the USB board. Connect the lens-board cable to the connector on the interface board.
- Page 25 Interface board Removing the interface board Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Remove the back cover. Remove the metal shield. Steps Lift the Mylar sheet from the power board. Figure 26. Removing the interface board Disassembly and reassembly...
- Page 26 2. Remove the seven screws (M3x9) that secures the fan and interface board to the metal shield. Figure 27. Removing the interface board Lift and turn the fan away from the metal shield. Lift and turn the interface board away from the metal shield. Disconnect the power cable from the connector on the interface board.
- Page 27 Remove the interface board from the metal shield. Figure 29. Removing the interface board Disassembly and reassembly...
- Page 28 Installing the interface board Steps Slide the USB board cable into the connector on the interface board and close the latch to secure it in place. 2. Slide the LVDS cables into the connectors on the interface board and close the latches to secure them in place. Connect the fan cable to the connector on the interface board.
- Page 29 Place the interface board on the metal shield. Align the screw holes on the interface board with the screw holes on the metal shield. Replace the 4 screws (M3X9) that secure the interface board to the metal shield. Place the fan on the metal shield. Align the screw holes on the fan with the screw holes on the metal shield.
- Page 30 11. Align and place the Mylar sheet on the power board. Figure 33. Installing the interface board Next steps Install the metal shield. 2. Install the back cover. Install the stand. Follow the procedure in After working inside your monitor. Disassembly and reassembly...
- Page 31 DC-DC board Removing the DC-DC board Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Remove the back cover. Remove the metal shield. Remove the interface board. Steps Remove the screw (M3x9) that secures the DC-DC board to the metal shield. 2.
- Page 32 Remove the DC-DC board from the metal shield. Disconnect the DC-DC board cable from the connector on the DC-DC board. Figure 35. Removing the DC-DC board Disassembly and reassembly...
- Page 33 Installing the DC-DC board Steps Connect the DC-DC board cable to the connector on the DC-DC board. 2. Connect the power cable to the connector on the DC-DC board. Figure 36. Installing the DC-DC board Disassembly and reassembly...
- Page 34 Align and place the DC-DC board in the slot inside the metal shield. Replace the screw (M3x9) to secure the DC-DC board to the metal shield Figure 37. Installing the DC-DC board Next steps Install the interface board. 2. Install the metal shield.
- Page 35 Power board Removing the power board Prerequisites Follow the procedure in Before working inside your monitor. 2. Remove the stand. Remove the back cover. Remove the metal shield. Remove the interface board. Remove the DC-DC board. Steps Remove the four screws (M3x9) that secure the power board to the metal shield. Figure 38.
- Page 36 2. Partially lift the power board from the metal shield. Disconnect the AC-socket cable from the connector on the power board. Figure 39. Removing the power board Remove the power board from the metal shield. Disconnect the power cables from the connectors on the power board. Figure 40.
- Page 37 Installing the power board Steps Connect the power cables to the connectors on the power board. Figure 41. Installing the power board 2. Turn the power board with the connectors facing down and connect the AC-socket cable to the connector on the power board. Figure 42.
- Page 38 Align and place the power board in the slot inside the metal shield. Replace the four screws (M3x9) to secure the power board to the metal shield. Figure 43. Installing the power board Next steps Install the DC-DC board. 2. Install the interface board.
- Page 39 Troubleshooting WARNING: Before you begin any of the procedures in this section, follow the Safety Instructions. Self-test Your monitor provides a self-test feature that allows you to check whether your monitor is functioning properly. If your monitor and computer are properly connected but the monitor screen remains dark, run the monitor self-test by performing the following steps: Turn off both your computer and the monitor.
- Page 40 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 graphics card. menu Figure 45. Built-in diagnostics Screen test To run the test: Move or press the joystick button to launch the Menu Launcher.
- Page 41 Cycle power On-Off. • • Pixel that is permanently off is a natural defect that can occur in OLED technology. For more information on Dell Monitor Quality and Pixel Policy, see • Dell Display Pixel Guidelines. Stuck-on pixels OLED screen has bright •...
- Page 42 Restart the computer in the safe mode. Safety-related issues Visible signs of smoke or Do not perform any troubleshooting steps. • sparks • Contact Dell immediately. Intermittent problems Monitor malfunctions on • Ensure that the video cable connecting the monitor to the and off computer is connected properly and is secure.
- Page 43 Common symptoms What you experience Possible solutions Screen flickering There is some noticeable • Use the native resolution of your monitor (3840 x 2160 at 60 Hz) flickering in the displayed or higher refresh rate. pictures • If the variable refresh rate (VRR) of your device is turned on, turn off variable refresh rate (VRR).
- Page 44 Use the compressed air to clear the dust particles or dirt from the • vents. Refresh/update the monitor firmware. • • Contact Dell for support. Universal Serial Bus (USB) specific problems Table 9. Description of USB specific problems. Specific symptoms What you experience...
- Page 45 Regulatory information FCC notices (U.S. only) and other regulatory information For FCC notices and other regulatory information, see the regulatory compliance website located at Dell Regulatory Compliance Home Page. EU product database for energy label and product information sheet AW3425DW: https://eprel.ec.europa.eu/qr/2220414...
- Page 46 Contacting Dell To contact Dell for sales, technical support, or customer service issues, see www.dell.com/contactdell. NOTE: Availability varies by country, region, or 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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