Removing 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:
• Prerequisites
• Procedure
Prerequisites
Remove the computer cover.
Procedure
1 Press the securing clip and disconnect the power-supply unit cable (P1) from the system board (ATX SYS).
2 Press the securing clip and disconnect the power-supply unit cable (P2) from the processor-power cable (ATX CPU).
3 Remove the power-supply unit cable (P1) from the routing guide on the chassis.
4 Remove the four screws (#6-32x6.35) that secure the power-supply unit to the chassis.
5 Lift the power-supply unit along with the cables o the chassis.
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36 Removing the power-supply unit
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