Service Manual

Removing the power-supply unit

NOTE: 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.

Prerequisites

Remove the

left-side cover.

Procedure

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

power supply.

1. Lay the computer on the right side.

2. Slide the power-supply unit cage release latches towards the unlock position.

a. power-supply unit

b. chassis

c. power-supply unit cage release cage latches (2)

3. Lift the power-supply unit cage while pressing and holding the graphics-card bracket.