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. 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.
Procedure
1 Place the power supply on the chassis.
2 Slide the power-supply unit towards the back of the chassis until it snaps into
place.
3 Align the screw holes on the power-supply unit with the screw holes on the
chassis.
4 Replace the four screws (6-32UNCx6.3) that secure the power-supply unit to
the chassis.
5 Route the power-supply unit cables through the routing guides on the chassis.
6 Connect the power cables to their extensions.
7 Connect the processor-power cable and system-board power cable to the
system board.
8 Connect the power cables to the hard drives and optical drive.
NOTE: For computers with graphics card, connect the power cable to
the graphics card, if applicable.
9 Place the computer in an upright position.
Post-requisites
Replace the right-side cover.
93
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