Dell OptiPlex 5055 Ryzen APU Tower Owner's Manual

Removing power supply unit – 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. Disconnect the PSU cables from the connectors on the system board [1, 2].
   2. Pull the clips to release the cables from the cable holders [3].
   3. Un-route the PSU cables from the cable holders [4].
   4. Remove the screws( 6+/-1) that secure the PSU to the computer [5].
      
5. To remove the PSU:
   1. Press the release tab [1].
      NOTE:Release tab is at the base of the PSU
   2. Slide and lift the PSU away from the computer [2].