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Replacing the Power-Supply Unit | 37
13
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 You Begin" on
page 11. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 13. For additional safety best practices
information, see the Regulatory Compliance Homepage at dell.com/
regulatory_compliance.
Procedure
1 Align the screw holes on the power-supply unit with the screw holes on the
computer base and replace the screws that secure the power-supply unit to the
computer base.
2 Connect the power-supply fan cable to the power-supply unit.
3 Connect the power-supply indicator cable to the power-supply unit.
4 Connect the power-port cable to the power-supply unit.
5 Route the processor and main power-supply cables through their routing guides.
6 Connect the processor and main power-supply cables to the system board.
Postrequisites
1 Replace the I/O panel. See "Replacing the I/O Panel" on page 93.
2 Replace the trim cover. See "Replacing the Trim Cover" on page 89.
3 Replace the system-board shield. See "Replacing the System-Board Shield" on
page 33.
4 Replace the stand. See "Replacing the Stand" on page 49.
5 Replace the back cover. See "Replacing the Back Cover" on page 21.
OM_Book.book Page 37 Friday, April 27, 2012 3:23 PM