Disconnect the chassis intrusion switch cable from the system board.
Slide the chassis intrusion switch out of the slot and remove the switch and its attached cable
from the computer.
Insert the replacement chassis intrusion switch into the slot and then slide the switch until it
is secured.
Connect the cable to the connector on the system board.
Replace the computer cover.
Replace the cable cover, if used.
NOTICE: To connect a network cable, first plug the cable into the network wall jack, and then plug it into
the computer.
Connect your computer to the adapter cable, and connect devices to electrical outlets, and
turn them on.
After you replace the cover, the chassis intrusion detector, if enabled, causes the following message to appear on the screen at the next computer start-up:
NOTE: If an admin password has been assigned by someone else, contact your network administrator for
information on resetting the chassis intrusion detector.
Resetting the Chassis Intrusion Detector
Turn on (or restart) your computer.
When the blue DELL™ logo appears, press <F2> immediately.
If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft® Windows® desktop. Then shut down your computer and try again.
Press the down-arrow keys to move to the Security option in system setup.
Press <Enter> to expand the Security menu.
Press the down-arrow key to move to the Chassis Intrusion setting.
Press <Enter> to focus on the options frame.
Press the side-arrow keys to select an option setting.
Press <Enter> to return to the Security menu.
Press <Esc> to access the exit setup menu.
Press the side-arrow keys and select the Save/Exit option.
Press <Enter> to save your changes and exit setup.
