Dell OptiPlex GX280 User Manual
Page 134
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2. Replace the screws on the system board.
3. Replace any components and cables that you removed from the system board.
4. Reconnect all cables to their connectors at the back of the computer.
5. Close the computer cover.
NOTICE:
To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
6. Connect your computer and devices to electrical outlets, and turn them on.
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