Dell OptiPlex GX280 - Manual (Page 96)

1 release button
2 AC power connector
4. Slide the power supply toward the front of the computer approximately 1 inch.
5. Lift the power supply up and out of the computer.
6. Slide the replacement power supply into place.
7. Reconnect the DC power cables.
8. Connect the AC power cable to the connector.
9. Close the computer cover.
10. Attach the computer stand, if used.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
11. Connect your computer and devices to electrical outlets, and turn them on.
Small Desktop Computer
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in
the Product Information Guide.
1. Follow the procedures in " Before You Begin ."
2. Disconnect the DC power cables from the system board and the drives.
Note the routing of the DC power cables underneath the tabs in the computer frame as you remove them from the
system board and drives. You must route these cables properly when you replace them to prevent their being pinched
or crimped.
3. Remove the card cage and remove the power cables from the side of the hard drive. To remove the power cables, use
the cables as leverage and pull away from the clips while you pull on the metal clips with your fingers.
4. Press down on the handle, which in turn presses the release button.