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.
Procedure
1 Slide the power supply towards the back of the chassis until it is secured by the
power-supply clamps.
2 Align the screw holes on the power-supply unit with the screw holes on the
chassis.
3 Replace the screws that secure the power-supply unit to the chassis.
4 Connect the DC power cables to the system board, hard drives, and optical
drives.
For more information, see “System-board components”.
Post-requisites
Replace the computer cover.
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