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How to Repair an HP Pavilion Power Supply

How to Repair an HP Pavilion Power Supply thumbnail
An ATX power supply needs to match your specific HP computer.

An ATX power supply is used in many computers, such as those from Hewlett-Packard. This is usually referred to as the PSU or power supply unit. When the power supply for your computer stops working, it will need to be repaired. To do this, for your HP Pavilion, you will need to remove the old power supply and then install a new power supply into the case.

Things You'll Need

  • Phillips screwdriver
  • Zip tie
  • Scissors
  • Power supply
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Instructions

  1. Remove Old ATX Power Supply

    • 1

      Unplug the power cord from the computer, wall outlet or power strip. Disconnect any peripheral devices from the computer.

    • 2

      Remove the screws that are securing the side panel on the back of the computer. Pull the side panel off and set it aside.

    • 3

      Locate the hard drive and CD/DVD drive. Unplug the power cable from the back of the hard drive and then the CD/DVD drive.

    • 4

      Locate the power connector that is on the motherboard. Unplug the power cable from the motherboard.

    • 5

      Locate and remove the four screws that are used to secure the power supply to the computer case, on the back of the computer.

    • 6

      Pull the old ATX power supply out of the computer case.

    Install New ATX Power Supply

    • 7

      Insert the new power supply into the computer case. Tighten the four screws that are used to secure the power supply to the case.

    • 8

      Plug the power cable back into the connector on the motherboard. Plug the power cable into the back of the hard drive and the CD/DVD drive.

    • 9

      Wrap a zip tie around the wires for the power cords. Cut off any excess from the zip tie with a pair of scissors.

    • 10

      Set the side panel back in place and tighten the screws on the back of the case.

    • 11

      Plug the power cord back into the computer, wall outlet or power strip, and reconnect all peripheral devices. Press the "Power" button on the computer to verify that the new power supply works.

Tips & Warnings

  • Do not open the side panel of the computer before unplugging the power cord.

  • Static electricity can damage computer components. Do not work inside the computer without grounding yourself first.

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References

  • Photo Credit computer power image by robert mobley from Fotolia.com

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