Dell GX280DT - GX280 Desktop Computer User Manual page 45

1. Follow the procedures in "Before You
2. Remove the card cage (see
3. Press the tab to raise the retention lever.
4. Disconnect the cable that attaches the adapter to the system board.
5. Grasp the serial port adapter by its top corners, and ease it out of its connector.
6. If you are removing the adapter permanently, install a filler bracket in the empty card slot opening.
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.
7. Lower the retention lever and press it into place.
8. Replace the card cage (see
9. 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.
10. Reset the chassis intrusion detector
NOTE: If an admin password has been assigned by someone else, contact your network administrator for information on resetting the chassis intrusion
detector.
11. Uninstall the adapter's driver.
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Begin."
step 3 of the previous procedure)
step 10 of the previous procedure).
by changing Chassis Intrusion to On or On-Silent.