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HP Pavilion Slimline PCs - Replacing the Power Supply

This document pertains only to HP Slimline computers with the following computer case:
Image of the computer

Before you begin

  • You need a flathead screwdriver.
  • Remove the Pocket Media Drive, if it is present.
  • Turn off the computer, and then disconnect all cables. Disconnect the Ethernet or modem cable before disconnecting the power cord.
  • Transfer the computer to a clear, flat, stable work surface over a non-carpeted floor.
  • HP strongly recommends the use of an anti-static wrist strap and a conductive foam pad when working on the computer.
  • Do not remove a component from its protective packaging until you are ready to install it.
  warning:
The edges of metal panels can cut skin. Be careful not to slide skin along any interior metal edge of the computer.
  caution:
This product contains components that can be damaged by electrostatic discharge (ESD). To reduce the chance of ESD damage, work over a non-carpeted floor, use a static dissipative work surface (such as a conductive foam pad), and wear an ESD wrist strap connected to a grounded surface.

Video overview

View the following video before using the steps in this article.

Replacing the Power Supply

Use the steps in this section to replace a power supply.
  warning:
Make sure the computer is disconnected from power before starting.
Do not attempt to disassemble or repair the power supply, or this could cause personal injury and equipment damage. Always replace the entire power supply.
note:
Plugs on the power supply cables and drive cables are keyed and can be inserted only when aligned properly with thecomponent connector. In addition, some plugs have a latch that must be pressed orsqueezed to release the plug from the socket.
Step 1
Remove the side panel.
For more information about removing the side panel, refer to the HP support document Opening the PC Case.
Image of removing the side panel
Step 2
Remove the front panel.
Image of swinging the front panel open
Step 3
Locate the metal drive latch for the CD/DVD drive, and then...
Image of the metal latch that secures the drive in the cage
...press the latch (1) and slide the drive (2) partway out of the front of the computer.
Image of releasing the drive and pushing it partway out the front of the computer
Step 4
Locate and remove the cables connected to the back of the CD/DVD drive inside the computer.
note:
Your drive may have three or two cables. The eject or control cable might not be available if the drive does not require the cable.
    Figure : Drive with three cables
    Image of three plugs on the CD/DVD drive in the computer
  1. Eject or control cable (not available for some drives)
  2. Power cable
  3. Data cable
Step 5
Remove the system fan.
For more information about removing the system fan, refer to the HP support document Replacing the System Fan.
Image of removing the system fan screw
Step 6
Locate the hard disk drive in the drive cage (in the system fan opening), and then...
Image of the hard disk drive in the drive cage in the computer
...remove the power supply cable connected to the hard disk drive in the drive cage.
Image of the power supply cable connected to the hard disk drive in the drive cage
Step 7
Locate and remove the two power supply cables from the motherboard.
Image of the two power supply cables on the motherboard
Step 8
Remove the expansion card closest to the power supply.
Image of the expansion card closest to the power supply
Step 9
Remove the three screws that secure the power supply to the back of the computer.
Image of the three screws that secure the power supply to the back of the computer
Step 10
Locate the power supply latch at the base of the power supply inside the computer, and then press the latch and...
Image of the power supply latch at the base of the power supply inside the computer
... slide the power supply into the computer to release it.
Image of sliding the power supply into the computer
Step 11
Tip out the top of the power supply, and then lift the power supply out of the computer.
Animated image of removing the power supply
Step 12
Turn up the replacement power supply and locate the slot on the bottom that fits onto...
Image of the slot on the bottom of the power supply
...the tab on the bottom of the computer.
Image of the tab in the computer
Step 13
Insert the power supply into the computer, and then slide it toward the back inserting the computer tab into the slot on the bottom of the power supply.
Image of inserting and sliding the power supply into place
Step 14
Insert and tighten the three screws that secure the power supply to the back of the computer.
Image of the three screws that secure the power supply to the back of the computer
Step 15
Replace the expansion card closest to the power supply.
For more information about replacing an expansion card, refer to the HP support document Adding or Replacing an Expansion Card (Video Card, Sound Card, etc...).
Image of the expansion card closest to the power supply
Step 16
Connect the two power supply cables to the motherboard.
Image of the two power supply cables on the motherboard
Step 17
Connect the power supply cable to the hard disk drive in the drive cage.
Image of the power supply cable connected to the hard disk drive in the drive cage
Step 18
Replace the system fan.
For more information about replacing the system fan, refer to the HP support document Replacing the System Fan.
  caution:
Be sure to bundle the power cables and the system fan cable with a new tie wrap to secure them. This ensures proper air flow.
Image of replacing the system fan screw
Image of adding a cable tie to secure the power cables
Step 19
Connect the cables to the CD/DVD drive.Your drive may have three or two cables.
    Figure : Drive with three cables
    Image of three plugs on the CD/DVD drive in the computer
  1. Eject or control cable (not needed for some drives)
  2. Power cable
  3. Data cable
Step 20
Push the CD/DVD drive into the computer until it locks in place.
Image of pushing the drive into the computer
Step 21
Replace the front panel.
For more information, refer to the HP support document Removing the Front Cover.
Image of pressing the front panel into place on the computer
Step 22
Replace the side panel.
For more information, refer to the HP support document Opening the PC Case.
Image of sliding the side panel toward the front of the computer

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