Dell OptiPlex GX270 - Manual (Page 22)

11. Close the computer cover.
12. Attach the computer stand, if it is used.
13. Connect your 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.
15. Enter system setup and restore the settings you recorded in step 1 .
16. Properly dispose of the old battery (see " Battery Disposal ").
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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.