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
WARNING: The cables and ports on the back of the power-supply unit
are color-coded to indicate the dierent power wattage. Ensure that you
plug in the cable to the correct port. Failure to do so may result in
damaging the power-supply unit and/or system components.
1 Align and place the metal bracket on to the power-supply unit.
2 Replace the four screws (#6-32x6) that secure the metal bracket to the
power-supply unit.
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