Dell Vostro 3670 Service Manual

Removing power supply unit

1. Follow the procedure in Before working inside your computer.
2. Remove the:
   1. Cover
   2. Cooling shroud
3. Removing the Power supply unit (PSU):
   1. Disconnect the PSU cables from the connectors on the system board.
      
   2. Unroute the PSU cables from the retention clips.
      
   3. Unroute the PSU cable from the metal clip [1], press the tab of the 8-pin power cables and disconnect it from the system board [2], and then remove 4 (6-32x6.35) screws to release the PSU [3].
      
   4. Press the metal release tab, slide the PSU toward the back and lift it out of the computer.