Dell OptiPlex 9010 All In One (Mid 2012) - Manual (Page 22)

3. Disconnect the intrusion cable from the connector on the system board. Unthread the cable from the notches on
the computer.
4. Remove the screws that secure the intrusion switch to the chassis. Lift the intrusion switch and remove it from the
computer.
Installing the Intrusion Switch
1. Place the intrusion switch on the computer and tighten the screw to secure it to the chassis.
2. Thread the cable along the notches on the chassis and connect the intrusion switch to the connector on the system
board.
3. Install:
a) system-board shield
b) VESA mount bracket
c) back cover
d) VESA stand
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