Inside Your Computer - Dell GX280DT - GX280 Desktop Computer User Manual

Orange — A good connection exists between a 100-Mbps network
l
and the computer.
Yellow — A good connection exists between a 1-Gbps (or 1000-
l
Mbps) network and the computer.
Off — The computer is not detecting a physical connection to the
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network.
3 network To attach your computer to a network or broadband device, connect one
adapter end of a network cable to either a network jack or your network or
connector broadband device. Connect the other end of the network cable to the
network adapter connector on the back panel of your computer. A click
indicates that the network cable has been securely attached.
NOTE: Do not plug a telephone cable into the network connector.
On computers with a network connector card, use the connector on the
card.
It is recommended that you use Category 5 wiring and connectors for
your network. If you must use Category 3 wiring, force the network
speed to 10 Mbps to ensure reliable operation.
4 network Flashes a yellow light when the computer is transmitting or receiving
activity light network data. A high volume of network traffic may make this light
appear to be in a steady "on" state.
5 line-out Use the green line-out connector (available on computers with
connector integrated sound) to attach headphones and most speakers with
integrated amplifiers.
On computers with a sound card, use the connector on the card.
6 line-in Use the blue line-in connector (available on computers with integrated
connector sound) to attach a record/playback device such as a cassette player, CD
player, or VCR.
On computers with a sound card, use the connector on the card.
7 microphone Use the pink microphone connector (available on computers with
connector 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 Use the back USB connectors for devices that typically remain connected,
connectors such as printers and keyboards.
(6)
9 video Plug the cable from your VGA-compatible monitor into the blue connector.
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.
10 serial Connect a serial device, such as a handheld device, to the serial port.
connector The default designations are COM1 for serial connector 1 and COM2 for
serial connector 2.
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 located 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.