Dell OptiPlex 5090 Tower Service Manual - Page 54

Intrusion switch, Removing the intrusion switch

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Steps 1. Slide the power-supply unit into the chassis until the securing tab snaps into position. 2. Replace the three (#6-32) screws to secure the power-supply unit to the chassis. 3. Route the power cable through the routing guides on the chassis and connect the power cables to their respective connectors on the system board. Next steps 1. Install the 3.5-inch hard-disk drive assembly. 2. Install the fan duct. 3. Install the side cover. 4. Follow the procedure in after working inside your computer. Intrusion switch Removing the intrusion switch Prerequisites 1. Follow the procedure in before working inside your computer. 2. Remove the side cover. 3. Remove the fan duct. About this task The following image indicates the location of the intrusion switch and provides a visual representation of the removal procedure. 54 Removing and installing components

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Steps
1.
Slide the power-supply unit into the chassis until the securing tab snaps into position.
2.
Replace the three (#6-32) screws to secure the power-supply unit to the chassis.
3.
Route the power cable through the routing guides on the chassis and connect the power cables to their respective
connectors on the system board.
Next steps
1.
Install the
3.5-inch hard-disk drive assembly
.
2.
Install the
fan duct
.
3.
Install the
side cover
.
4.
Follow the procedure in
after working inside your computer
.
Intrusion switch
Removing the intrusion switch
Prerequisites
1.
Follow the procedure in
before working inside your computer
.
2.
Remove the
side cover
.
3.
Remove the
fan duct
.
About this task
The following image indicates the location of the intrusion switch and provides a visual representation of the removal procedure.
54
Removing and installing components