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Replacing Lights

Dell™ XPS™ 625 Service Manual

  Replacing the Front LED Board

  Replacing the Rear LED Board

WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.

Replacing the Front LED Board

NOTE: The front LED board is embedded on the front panel. To replace the front LED board, you must replace the front panel.

1. Follow the procedures in Before You Begin.
   
   
2. Remove the computer cover (see Replacing the Computer Cover).
   
   
3. Remove the drive panel (see Replacing the Drive Panel).
   
   
4. Release the four tabs that secure the front panel to the chassis.
   
   
5. Carefully, pivot the front panel away from the computer to release it from the chassis.
   
   

1	FRONT_LED cable	2	tabs (4)
3	front panel

6. Disconnect the FRONT_LED cable from the front panel to remove the front panel along with the front panel light board.
   
   
7. To replace the front LED board, align the securing tabs on the front panel with the corresponding slots on the chassis; connect the FRONT_LED cable to the front panel.
   
   

1	front panel	2	FRONT_LED cable
3	securing tabs (4)

8. Rotate the front panel towards the computer until it snaps into place.
   
   
9. Replace the drive panel (see Replacing the Drive Panel).
   
   
10. Replace the computer cover (see Replacing the Computer Cover).
    
    
11. Connect your computer and devices to electrical outlets, and then turn them on.
    
    

Replacing the Rear LED Board

1. Follow the procedures in Before You Begin.
   
   
2. Remove the computer cover (see Replacing the Computer Cover).
   
   
3. Remove the system board (see Replacing the System Board).
   
   
4. Disconnect the REAR_LED_SENSOR cable from the master I/O board (see Master I/O Board Components).
   
   
5. Gently push the release tab away from the chassis to release the rear LED board and then slide it up and away from the computer.
   
   

1

release tab

2

rear LED board

6. To replace the rear LED board, connect the REAR_LED_SENSOR cable to the master I/O board (see Master I/O Board Components).
   
   
7. Route the REAR_LED_SENSOR cable under the system board and replace the system board (see Replacing the System Board).
   
   
8. Align the rear LED board with the metal tab on the chassis; then slide the rear LED board into place.
   
   
9. Replace the system board (see Replacing the System Board).
   
   
10. Replace the computer cover (see Replacing the Computer Cover).
    
    
11. Connect your computer and devices to electrical outlets, and then turn them on.
    
    

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