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8 A look inside
Taking off the cover
Use the following steps to remove the system unit cover.
!
WARNING
Before you remove the system unit cover, turn off system
power and
unplug the system power cable. Power is
removed only when you unplug the power cable
.
1.
Turn off and unplug the system unit.
2.
Unplug the keyboard, mouse, monitor, and any other attached
devices (such as a printer) from the back of the system unit.
!
CAUTION
Electrostatic discharge can damage computer components.
Discharge static electricity by touching a metal object
before you remove the system unit cover
.
3.
If you have a cover lock, unlock it and remove it from the
system unit.