Dell Dimension 2100 - Manual (Page 62)

62 A d d i n g Pa r t s
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CAUTION: Before you begin any of the procedures in this section,
follow the safety instructions on page 7.
To access components on the system board or to add parts to the computer,
you must rotate the power supply out of the way:
1 Turn off the computer and 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 jack on the wall.
2 Press the power button.
Pressing the power button when the computer is not connected to an
electrical outlet discharges residual electricity and can help prevent
system board damage.
3 Remove the computer cover (see page 60).