Installing the power supply unit or PSU
1. Insert the PSU in the chassis and slide it toward the back of the computer to secure it.
2. Tighten the screws to secure the PSU to the back of the computer.
3. Route the PSU cables through the retention clips.
4. Connect the power cables to the system board.
5. Install the:
a. hard drive and optical drive module
b. bezel
c. cover
6. Follow the procedure in After working inside your computer.
Power switch
Removing power switch
1. Follow the procedure in Before working inside your computer.
2. Remove the:
a. cover
b. bezel
c. hard drive and optical drive module
3. To remove the power switch:
a. Disconnect the power switch cable from the system board [1].
Removing and installing components
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