Service Manual

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.
Prerequisites
1 Remove the stability foot.
2 Remove the left and right side-panels. See “Removing the side panels”.
3 Remove the graphics cards or multiple graphics cards.
Procedure
NOTE: Note the routing of all cables as you remove them so that you can
route them correctly after you replace the power-supply unit.
1 Lay the chassis on the right side.
2 Press the release tabs on the power cables and disconnect all the cables from
the power-supply unit.
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