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
computer, follow the instructions in
. 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
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