Dell Vostro 3267/3268 Owner's Manual

Removing the power supply unit PSU

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. cover
   2. front bezel
   3. cooling shroud
   4. 3.5-inch hard drive chassis
   5. drive cage
3. Perform the following steps to remove the power supply unit (PSU) from the computer:
   1. Disconnect the PSU cables from the connectors on the system board [1, 2].
   2. Unroute the PSU cables from the holder [3,4].
   
4. Perform the following steps to remove the PSU:
   1. Remove the 6-32xL6.35 screws that secure the PSU [1].
   2. Press the blue release tab to release the PSU [2].
   3. Slide and lift the PSU from the computer [3].