Inside your computer – Dell OptiPlex GX280 User Manual
Page 200
6
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, use the connector on the card.
7
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.
8
USB 2.0
connectors
(6)
Use the back USB connectors for devices that typically remain connected,
such as printers and keyboards.
It is recommended that you use the front USB connectors for devices that you
connect occasionally, such as joysticks or cameras, or for bootable USB
devices.
9
diagnostic
lights
Use the lights to help you troubleshoot a computer problem based on the
diagnostic code. For more information, see "
."
10 video
connector
Plug the cable from your VGA-compatible monitor into the blue connector.
NOTE:
If you purchased an optional graphics card, this connector will be
covered by a cap. Connect your monitor to the connector on the graphics
card. Do not remove the cap.
NOTE:
If you are using a graphics card that supports dual monitors, use the
y-cable that came with your computer.
11 parallel
connector
Connect a parallel device, such as a printer, to the parallel connector. If you
have a USB printer, plug it into a USB connector.
NOTE:
The integrated parallel connector is automatically disabled if the
computer detects an installed card containing a parallel connector configured
to the same address. For more information, see "System Setup Options."
Inside Your Computer
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide.
CAUTION:
To avoid electrical shock, always unplug your computer from the electrical outlet before opening
the cover.
NOTICE:
Be careful when opening the computer cover to ensure that you do not accidentally disconnect cables from
the system board.