Dell 4300s Personal Computer User Manual


 
Adding Parts 61
CAUTION: Before you begin any of the procedures in this section,
follow the safety instructions listed in "When Working Inside Your
Computer" on page 12.
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).
2 Turn 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.
3
Disconnect the computer power cable from the wall outlet, and then
press the power button to ground the system board.
power connector
parallel connector
keyboard connector
USB connectors
microphone jack
line-in jack
line-out jack
mouse connector
video connector
serial connector
voltage-selection
switch (see page 9 for
important voltage
setting information)