Introduction

You should never try to repair a power supply unit. These are appropriately labeled, "Field Replaceable Units" for a reason. Disassembling a computer power supply unit can seriously harm and even kill you.

  1. Power down your PC and remove the power cord from the back.
    • Power down your PC and remove the power cord from the back.

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  2. Press and hold the power button for about 10 seconds, then release.
    • Press and hold the power button for about 10 seconds, then release.

      • This helps drain any remaining power stored in the capacitors, so that you can safely work on the internal components.

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    • With the computer standing upright, firmly pull on the tab at the back of the computer.

    • When the side panel pops free, gently pull the panel away from the computer.

    • If you have trouble freeing the side panel from the case, you may need to pull the tab a bit harder.

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    • Gently disconnect the power cables from the motherboard and drives.

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    • Remove the four screws that attach the power supply on the back of the chassis.

    • Do not remove any screws that are not highlighted in red.

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    • Press the blue release button. This is located on the floor of the computer chassis right in front of the power supply.

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    • Remove the unconnected power supply by sliding it towards the front of the computer. Next, lift it up out of the chassis.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

8 other people completed this guide.

Kristina

Member since: 09/03/2014

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Pasco Hernando, Team 5-1, Prince Fall 2014 Member of Pasco Hernando, Team 5-1, Prince Fall 2014

PHSC-PRINCE-F14S5G1

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3 Comments

Thanks, I followed the instructions, the replacement of the power supply unit was more simple than I expected

George

geotech78 - Reply

i replaced that but not repair this

Muhammad Qasim - Reply

At post Madasanal TQ disk bijapur

sidaray - Reply

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