OptiPlex 3050 Tower Owner's Manual

Removing power supply unit or PSU

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. cover
   2. bezel
3. Open the front panel door.
4. To release the PSU:
   1. Disconnect the PSU cable from the connector on the system board [1].
   2. Unroute the PSU cable from the release clip [2].
      
   3. Disconnect the PSU cable from the connector on the system board [1].
   4. Pull the release clip [2].
   5. Unroute the PSU cables from the retention clip [3].
   6. Remove the screws that secure the PSU to the computer [4].
      
5. To remove the PSU:
   1. Press the release tab [1].
   2. Slide and lift the PSU away from the computer [2].