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Follow these steps to remove the cover:
1.
2.
3.
4.
Turn off the computer and any peripheral devices connected
to it. Then disconnect the computer’s power cord from the
electrical outlet and from the back panel. Also disconnect
any peripheral device cables that are connected to the
computer, including the keyboard cable.
Turn the computer around so you are facing the back panel.
If necessary, unlock the computer’s cover. (See Chapter 3 for
instructions.)
Loosen the three thumbscrews on the computer’s back panel
by turning them counterclockwise, as shown below. (The
screws disengage but don’t come all the way off.)
Accessing Internal Components
5-3