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About Your Small Mini-Tower Computer
Dell™ OptiPlex™ GX280 Systems User's Guide
Front View
Back View
Inside Your Computer
System Board Components
Front-Panel Door and Hinge Arms
Front View
1 CD/DVD-
drive eject
button
Press to eject a CD or DVD from the drive.
2 hard-drive
activity
light
The hard drive light is on when the computer reads data from or writes data to the hard drive. The
light might also be on when a device such as your CD player is operating.
3 front-
panel door
Open the door to use the front panel connectors.
NOTE: The front door is removable; if you remove it or accidentally knock it off its hinges, it snaps
back in place. For instructions on how to reattach the door, see "Front-Panel Door and Hinge Arms."
4 front air
vents
The front air vents help cool the inside of your computer.
5 headphone
connector
Use the headphone connector to attach headphones and most kinds of speakers.
6 USB 2.0 Use the front USB connectors for devices that you connect occasionally, such as joysticks or
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