Power Supply Unit (Psu); Removing The Psu; Installing The Psu; Side Cover - Dell Precision 7920 Owner's Manual

NOTE: The #0 screw driver is for screws 0-1 and the #1 screw driver is for screws 2-4

Power supply unit (PSU)

Removing the PSU

1 Follow the procedure in
2 Disconnect the power cable from the system.
3 Press the PSU release latch [1] and slide the power supply away from the system [2].
NOTE: If the PSU cannot be removed then remove the right side cover of the system and check if the PSU is secured with
a screw.

Installing the PSU

1 Slide in the power supply unit to the PSU slot on the system.
2 Connect the power cable to the system.
3 Follow the procedure in

Side cover

Removing the side cover

1 Follow the procedure in
Before working inside your
After working inside your computer
Before working inside your
computer.
computer.
Removing and installing components 11