80 Adding Parts
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Adding Other Cards 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.
NOTICE: You must use low-profile cards for your computer. A full-size card
can cause damage to the computer or the card.
The computer’s card connectors allow you to install different types of
devices such as modems and network adapters.
1Shut down the computer (see page 31).
NOTICE: To disconnect a network cable, first unplug the cable from your
computer and then unplug it from the network wall jack.
2Turn off any attached devices and disconnect them from their
electrical outlets.
3Disconnect the computer power cable from the wall outlet, and then
press the power button to ground the system board.
4Remove the computer stand (see page19).
5Open the computer cover (see page74).
6Press the lever on the retention arm and raise the retention arm.