Service Manual

Replacing the power-supply unit

WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the

steps in Before working inside your computer. After working inside your computer, follow the instructions in After working inside

your computer. For more safety best practices, see the Regulatory Compliance home page at www.dell.com/

regulatory_compliance.

Topics:

• Procedure

• Post-requisites

Procedure

1 Place the power-supply unit on the chassis, aligning the screw holes on the power-supply unit to the screw holes on the chassis.

2 Replace the four screws (#6-32x6.35) that secure the power-supply unit to the chassis.

3 Route the power-supply unit cable (ATX SYS) through the routing guide on the chassis.

4 Connect the power-supply unit cable (P1) to the system board (ATX SYS).

5 Connect the power-supply unit cable (P2) to the processor-power cable (ATX CPU).

Post-requisites

Replace the computer cover.

Replacing the power-supply unit 37