w w w . d e l l . c o m s u p p o r t . d e l l . c o m
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.
Your computer includes one
1Shut down the computer (see page 18).
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 cover (see page 52).
5While facing the front of the computer, press the
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