w w w . j p . d e l l . c o m s u p p o r t . j p . d e l l . c o m
5Press inward on the front door until it clips to both hinge arms.
hinge arms (2) in closed position 
front-door
front door
Opening the Computer Cover
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.
1Shut down the computer (see page 34).
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.
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