Power-Supply Unit; Removing The Power-Supply Unit - Dell Precision 5860 Tower Service Manual

Steps
1. Align the screw holes on the voltage-regulator heat sink to the screw holes on the system board and adhere the voltage-
regulator heat sink to the system board.
2. Replace the three (M3x5) screws to secure the voltage-regulator heat sink to the system board.
Next steps
1. Install the air shroud.
2. Install the side cover.
3. Follow the procedure in

Power-supply unit

Removing the power-supply unit

Prerequisites
1. Follow the procedure in
2. Remove the side cover.
3. Remove the air shroud.
NOTE: Note the routing of all cables as you remove them so that you can route them correctly while you are replacing the
power-supply unit.
About this task
The following images indicate the location of the power-supply unit and provide a visual representation of the removal
procedure.
90 Removing and installing components
After working inside your
Before working inside your
computer.
computer.