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62 Adding Parts
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Rotating the Power Supply
CAUTION: Before you begin any of the procedures in this section,
follow the safety instructions on page 9.
CAUTION: To guard against electrical shock, always unplug your
computer from the electrical outlet before opening the cover.
To access components on the system board or to add parts to the computer,
you must rotate the power supply out of the way:
1 Shut down the computer (see page 20).
2 Turn off any attached devices and disconnect them from their
electrical outlets.
NOTICE: To disconnect a network cable, first unplug the cable from your
computer and then unplug it from the network wall jack.
3
Disconnect the computer power cable from the wall outlet, and then
press the power button to ground the system board.
4 Remove the computer cover (see page 60).