66 Adding Parts
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CAUTION: Before you begin any of the procedures in this section,
follow the safety instructions on page 7.
CAUTION: To guard against electrical shock, always unplug your
computer from the electrical outlet before opening the cover.
The computer’s card connectors allow you to install different types of
devices such as modems and network adapters.
1Shut down the computer (see page22).
2Turn 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.
3Disconnect the computer power cable from the wall outlet, and then
press the power button to ground the system board.
4Remove the computer stand, if it is attached (see page16).
5Open the computer cover (see page62).
6Remove the card cage:
aCheck any cables connected to cards through the back-panel
openings. Disconnect any cables that will not reach the card cage
once it is removed from the computer.