Dell OptiPlex GX270 - Manual (Page 74)

10. Lift and remove the adapter card bracket.
11. If you are removing the adapter permanently, install a filler bracket in the empty card- slot opening.
If you need a filler bracket, contact Dell .
12. Lower the retention arm and press it into place.
13. 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 enabled, causes the following message to appear on the screen at the next
computer start-up:
ALERT! Cover was previously removed.
14. Reset the chassis intrusion detector by changing Chassis Intrusion to Enabled or Enabled-Silent.
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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.
NOTICE: To connect a network cable, first plug the cable into the network wall jack, and then plug it into the computer.
NOTE: If a setup password has been assigned by someone else, contact your network administrator for information on resetting the chassis intrusion
detector.