Installing The Intruder Switch; Internal Chassis Speaker - Dell Precision 7820 Owner's Manual

NOTE:

Installing the intruder switch

1 Place the intruder switch into the slot in the system chassis.
2 Replace the screw and secure the switch to the chassis.
3 Connect the cable to the system board.
4 Install the:
a 5.25 inch ODD bracket
b front bezel
c side cover
5 Follow the procedure in

Internal chassis speaker

The system will not power on without the Intruder switch installed.
After working inside your computer.
Removing and installing components 33