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7
line-out connector
8
microphone connector
9
USB connectors
10 keyboard connector
11 diagnostic lights
12 video connector
13 serial connector
62
Adding Parts
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.
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.
Connect USB devices such as a mouse, keyboard, printer, joystick, and computer
speakers into any of the USB connectors.
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.
Use the lights to help you troubleshoot a computer problem based on the
diagnostic code. For more information, see page 48.
Plug the cable from your monitor into the blue connector.
Connect a serial device, such as a handheld device, to the serial port.
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.
Shut down the computer (see page 22).
1
Turn off any attached devices and disconnect them from their
2
electrical outlets.
NOTICE:
To disconnect a network cable, first unplug the cable from your
computer and then unplug it from the network wall jack.
Disconnect the computer power cable from the wall outlet, and then
3
press the power button to ground the system board.
Remove the computer stand, if it is attached (see page 16).
4
NOTICE:
Ensure that there is sufficient space to support the open cover—at
least 30 cm (1 ft) of desk top space.
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