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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, follow the instructions in
computer. For more safety best practices, see the Regulatory
Compliance home page at www.dell.com/regulatory_compliance.
Procedure
1
Place the power supply on the chassis.
2
Align the screw holes on the power-supply unit with the screw holes on the
chassis.
3
Replace the screws that secure the power-supply unit to the chassis.
4
Align the screw holes on the power-supply unit bracket with the screw holes
on the power-supply unit cage.
5
Replace the screws that secure the power-supply unit bracket to the power-
supply unit cage.
6
Slide the power supply unit release latches towards the unlock position.
7
Lift and rotate the power-supply unit cage away from the chassis while
pressing and holding the graphics-card bracket.
8
Connect the power cables to the graphics card, hard drives, and optical
drive.
9
Connect the processor-power cable and system-board power cable to the
system board.
10 Rotate the power-supply unit cage towards the chassis until the unit snaps
into place.
11 Slide the power supply unit cage release latches towards the locked
position.
Post-requisites
Replace the
left-side
computer. After working inside your
cover.
After working inside your
63
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