Option Installation 3-3
Removing the System Unit Cover
The following procedure describes how to remove the system unit cover.
WARNING:
Before removing the system unit
cover, turn off the power and unplug the system
power cable. Power is removed only when the
power cable is unplugged.
1.
Turn off and unplug the system unit.
2.
Disconnect the keyboard, mouse, monitor, and any other external options (such as
a printer) from the rear of the system unit.
CAUTION:
Electrostatic discharge can damage
computer components. Discharge static
electricity by touching a metal object before
removing the system unit cover.
3.
Loosen the two cover screws at the rear of the system unit (see Figure 3-1).
Screws
Figure 3-1 Loosen Cover Screws
4.
From the rear of the system, grasp the sides and slide the cover about an inch
away from the front panel (see Figure 3-2).
NOTE:
The cover fits tightly. Press the front
edge of the cover to release it from the front
panel. Also press against the rear panel to slide
the cover one inch away from the front panel.