Dell Dimension 4500C (Japan Only) - Manual (Page 81)

Adding Parts 81
3 Disconnect the computer power cable from the wall outlet, and then
press the power button to ground the system board.
4 Disconnect all cables from the computer, and then remove the
computer stand (see page 21).
NOTICE: Ensure that there is sufficient space to support the open cover—at
least 30 cm (1 ft) of desk top space.
5 Press the two release buttons until the cover is free to swing up.
NOTICE: Open the cover slowly to ensure that you do not damage any cables.
6 Raise the back of the cover, and pivot it toward the front of the
computer.
HINT: Make sure that
the computer is oriented
with the cable security tab
on top, as shown in the
illustration.
release buttons
(one on each side)
back of computer
cable security
tab