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 dell.com/
regulatory_compliance.
Prerequisites
1. Remove the
stability foot.
2. Remove both the left and right side-panels. See “Removing the Side Panels”.
3. Remove multiple graphics cards.
4. Remove the full length graphics cards.
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 left side.
2. Press the tab on the power cables and disconnect all the cables from the power supply.
3. Remove the screws that secure the power-supply unit to the back of the chassis.
a. power cable
b. power supply
c. screws (4)
4. Lift the power-supply cover away from the chassis.
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