Removing a serial port adapter – Dell OptiPlex GX280 User Manual

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7. Replace the microprocessor heat sink as explained in "

8. Press the arm into place, securing the card(s) in the computer.

9. Proceed with

in the next procedure.

Removing a Serial Port Adapter

1. Follow the procedures in "

2. Disconnect the serial adapter cable from the connector on the system board.

3. Raise the retention arm.

4. Lift and remove the serial port adapter bracket.

5. If you are removing the adapter permanently, install a filler bracket in the empty card-slot opening.

If you need a filler bracket,

NOTE:

Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the

computer. The brackets also keep dust and dirt out of your computer.

6. Lower the retention arm and press it into place.

NOTICE:

To connect a network cable, first plug the cable into the network wall jack, and then plug it into the

computer.

7. Close the computer cover, reconnect the computer and devices to electrical outlets, and turn them on.

After you open and close the cover, the chassis intrusion detector, if installed and enabled, causes the following

message to appear on the screen at the next computer start-up:

ALERT! Cover was previously removed.

by changing Chassis Intrusion to On or On-Silent.

NOTE:

If an admin password has been assigned by someone else, contact your network administrator for information

on resetting the chassis intrusion detector.