Dell Dimension 2350 - Manual (Page 71)

Adding Parts 71
Removing the Computer Cover
CAUTION: Before you begin any of the procedures in this section, follow the
safety instructions on page 9.
1 Shut down the computer through the Start menu (see page 30).
2 Ensure that your computer and attached devices are turned off. If your computer and
attached devices did not automatically turn off when you shut down your computer,
turn them off now.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then
unplug it from the network wall jack.
3 Disconnect any telephone or telecommunication lines from the computer.
4 Disconnect your computer and all attached devices from their electrical outlets, and
then press the power button to ground the system board.
CAUTION: To guard against electrical shock, always unplug your computer from
the electrical outlet before opening the cover.
NOTICE: Before touching anything inside your computer, ground yourself by touching an
unpainted metal surface, such as the metal at the back of the computer. While you work,
periodically touch an unpainted metal surface to dissipate any static electricity that could harm
internal components.
5 If your computer cover has a thumbscrew, loosen the thumbscrew.
6 If your computer cover has a cover latch, push down on the cover latch.
11 line-out connector Use the green line-out connector to attach headphones and most speakers with
integrated amplifiers.
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 connector.
14 keyboard connector Plug your computer’s PS/2 keyboard into the purple keyboard connector. Turn off the
computer and any attached devices before you connect a keyboard to the computer.
(If you have a USB keyboard, see "USB 2.0 connectors" in this table.)
15 voltage selection switch See the safety instructions on page 11 for more information.
16 power connector Connect the power cable.