OptiPlex XE3 Tower Service Manual

Removing power supply unit or PSU

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. side cover
   2. front bezel
3. Open the front panel door.
4. To release the PSU:
   1. Press the latch and disconnect the PSU cables from the connectors on the system board [1].
   2. Unroute the PSU cable from the retention clip to release the cable [2,3,4,5].
   3. Press the latch and disconnect the cables from the connector on the system board [6].
   
5. To remove the PSU:
   1. Remove the screw (3) to release the PSU from the computer chassis [1].
   2. Press the release tab [2].
   3. Slide and lift the PSU away from the computer [3].