Disassembly and Reassembly 3-33
Power Supply
Remove the power supply as follows.
Before removing the system cover, turn off the power and unplug the
system power cable. Power is removed only when the power cable is unplugged.
1. Turn off the system and any connected peripherals.
2. Unplug the system AC power cord and any peripheral power cords.
3. Disconnect any attached peripherals.
4. Remove the system cover (see “Removing the Cover” earlier in this section).
5. Tag and unplug the power cables from all installed devices.
6. Remove the four screws holding the power supply to the rear of the chassis.

Locating the Power Supply Screws

A – Screws (4)
7. Slide the power supply towards the front of the chassis enough to clear the chassis.
8. Lift the power supply out of the chassis and set aside.