62
A d d i n g Pa r t s
www
.dell.com | support.dell.com
CAUTION:
Before you begin any of the procedures in this section,
follow the safety instructions on page 7.
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.
4
Remove the computer stand, if it is attached (see page 16).
NOTICE:
Ensure that there is sufficient space to support the open cover—at
least 30 cm (1 ft) of desk top space.
7
line-out connector
Use the green line-out connector (available on computers with integrated sound)
to attach headphones and most speakers with integrated amplifiers.
On computers with a sound card, the line-out connector is on the card.
8
microphone connector
Use the pink
microphone connector (available on computers with integrated
sound) to attach a personal computer microphone for voice or musical input into
a sound or telephony program.
On computers with a sound card, the microphone connector is on the card.
9
USB connectors
Connect USB devices such as a mouse, keyboard, printer, joystick, and computer
speakers into any of the USB connectors.
10
keyboard connector
If you have a standard keyboard, plug it into the purple keyboard connector. If you
have a USB keyboard, plug it into a USB connector.
11
diagnostic lights
Use the lights to help you troubleshoot a computer problem based on the
diagnostic code. For more information, see page 48.
12
video connector
Plug the cable from your monitor into the blue connector.
13
serial connector
Connect a serial device, such as a handheld device, to the serial port.