Dell Dimension 4500 - Manual (Page 66)

66 A d d i n g Pa r t s
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8 After the hinge arms snap into place, lower and raise the arms two or
three times to properly seat them.
9 Reattach the front-panel insert.
10 Reconnect the power cable to your computer.
11 Reattach the front door as described on page 62.
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.
1 Shut down the computer (see page 22).
NOTICE: To disconnect a network cable, first unplug the cable from your
computer and then unplug it from the network wall jack.
2 Turn off any attached devices and disconnect them from their
electrical outlets.
3 Disconnect the computer power cable from the wall outlet, and then
press the power button to ground the system board.
NOTICE: Ensure that there is sufficient space to support the open cover—at
least 30 cm (1 ft) of desk top space.
4 Lay the computer on its side so that the arrow on the bottom of the
computer points up.
5 Locate the two release buttons shown in the illustration.Then, press
the two release buttons as you lift the cover.