Dell Inspiron Small Desktop (3647, Late 2013) - Manual (Page 51)

Replacing the Power-Supply Unit | 51
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 7. After working inside your computer, follow the instructions in "After
Working Inside Your Computer" on page 9. For additional safety best practices
information, see the Regulatory Compliance Homepage at
dell.com/regulatory_compliance.
Procedure
1 Slide the power supply towards the back of 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 Connect the DC power cables to the system board and the drives.
See "System-Board Components" on page 11.
Postrequisites
1 Replace the system board. See "Replacing the System Board" on page 48.
2 Replace the processor. See "Replacing the Processor" on page 42.
3 Replace the processor fan and heat-sink assembly. See "Replacing the Processor
Fan and Heat-sink Assembly" on page 40.
4 Replace any graphic cards, if applicable. See "Replacing the Graphics Card" on
page 20.
5 Replace the Mini-Card, if applicable. See "Replacing the Wireless Mini-Card" on
page 22.
6 Replace the memory module(s). See "Replacing the Memory Module(s)" on page 17.
7 Replace the drive cage. See "Replacing the Drive Cage" on page 28.
8 Replace the fan shroud. See "Replacing the Fan Shroud" on page 15.
9 Replace the computer cover. See "Replacing the Computer Cover" on page 13.
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