Dell XPS 625 (Early 2009) - Manual (Page 30)

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.
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 ).
1 front panel 2 FRONT_LED cable
3 securing tabs (4)
1 release tab 2 rear LED board