Intrusion Switch; Removing The Intrusion Switch - Dell OptiPlex 3090 Small Form Factor Service Manual

Steps
1. Align and place the power-supply unit into the slot on the chassis.
2. Slide the power-supply unit into the slot until it clicks in place.
3. Replace the three screws (6X32) to secure the power-supply unit to the chassis.
4. Reroute the power-supply cables through retention clips and connect it to the connectors on the system board.
5. Place the support bracket into the slot and secure it with the three screws (6X32).
6. Insert the SATA cables through the retention clip on the support bracket.
Next steps
1. Install the hard-drive and optical-drive
2. Install the 3.5/2.5-inch hard-drive
3. Install the side cover.
4. Follow the procedure in

Intrusion switch

Removing the intrusion switch

Prerequisites
1. Follow the procedure in
2. Remove the side cover.
About this task
The following images indicate the location of the intrusion switch and provides a visual representation of the removal procedure.
52 Removing and installing components
bracket.
assembly.
After working inside your
Before working inside your
computer.
computer.