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Removing and Installing Parts 63
3
Disconnect your computer and all attached devices from their electrical outlets, and then press the
power button to ground the system board.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before
opening the cover.
NOTICE: Ensure that sufficient space exists to support the removed cover—at least 30 cm (1 ft) of desktop space.
NOTICE: Ensure that you are working on a level, protected surface to avoid scratching the computer or the
surface on which it is resting.
4
Lay your computer on its side with the computer cover facing up.
5
Pull back the cover release latch on the top panel.
6
Locate the two hinge tabs on the bottom edge of the computer.
7
Grip the sides of the computer cover and pivot the cover up, using the bottom hinges as leverage points.
8
Release the cover from the hinge tabs and set it aside in a secure location.
1 computer cover 2 cover release latch 3 security cable slot
2
3
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