1.
Turn off and unplug the system unit.
Disconnect the keyboard, mouse, monitor, and any other
2.
external options (such as speakers or a printer) from the
rear of the system unit.
Label all cables to make reinstallation easier.
!
Electrostatic discharge can damage computer
components. Discharge static electricity by touching
a metal object before removing the system unit
cover.
Loosen the two cover screws on the rear of the system.
3.
4.
From the rear of the system, grasp the sides and slide the
cover about an inch away from the front.
CAUTION
Loosening desktop cover screws
Installing Options 5-5