Service Manual

Steps

1. Place the power supply on the chassis.

2. Align the screw holes on the power-supply unit with the screw holes on the chassis.

3. Replace the four screws (#6-32) that secure the power-supply unit to the chassis.

4. Lift and rotate the power-supply unit cage away from the chassis

5. Connect the processor-power cable and system-board power cable to the system board.

6. Connect the power cables to the hard drives.

7. Rotate the power-supply unit cage towards the chassis

8. Slide the power-supply unit cage release latches towards the locked position.

9. Align the screw holes on the power-supply unit bracket with the screw holes on the power-supply unit cage.

10.Replace the two screws (#6-32) that secure the power-supply unit bracket to the power-supply unit cage.

Next steps

1. Install the

left-side cover.

2. Follow the procedure in After working inside your computer.

850 W Power-supply unit

Removing the 850 W power-supply unit

Prerequisites

1. Follow the procedure in Before working inside your computer.

2. Remove the left-side cover.

NOTE: Note the routing of all cables as you remove them so that you can route them correctly after you replace the power-

supply unit.