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Introduction

Make sure you have disconnected the power supply and removed it from the computer, letting it sit for 1-5 minutes to ensure release of charge, start this process with a medium sized screwdriver.

Cette vue éclatée n'est pas un tutoriel de réparation. Pour réparer votre Dell Power Supply (MH596), utilisez notre manuel de réparation.

Remove the outside case screws as seen in all 3 photos with a medium sized screwdriver checking for NO wiggle room Unplug and leave unplugged for 1-5 minutes to ensure discharge and safety when disassembling(though you don't really need to let it sit) Unplug and leave unplugged for 1-5 minutes to ensure discharge and safety when disassembling(though you don't really need to let it sit)
  • Remove the outside case screws as seen in all 3 photos with a medium sized screwdriver checking for NO wiggle room

  • Unplug and leave unplugged for 1-5 minutes to ensure discharge and safety when disassembling(though you don't really need to let it sit)

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Here you can now remove the top of the power supply case Here you can now remove the top of the power supply case
  • Here you can now remove the top of the power supply case

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The port on the first picture is actually the power port of your computer the power supply uses connections going into the computer to redirect and resist the electricity to allow the computer to perform it's tasks
  • The port on the first picture is actually the power port of your computer

  • the power supply uses connections going into the computer to redirect and resist the electricity to allow the computer to perform it's tasks

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To remove the fan ween it forward and pull up with the frame facing towards you like a staircase To remove the fan ween it forward and pull up with the frame facing towards you like a staircase
  • To remove the fan ween it forward and pull up with the frame facing towards you like a staircase

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To free the cables up remove all tape and zip-ties to further removal This will not help your situation if you are trying to fix the power supply
  • To free the cables up remove all tape and zip-ties to further removal

  • This will not help your situation if you are trying to fix the power supply

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Remove a screw on the back end(with the stair pattern facing towards you) to free the back panel(partially) Remove a screw on the back end(with the stair pattern facing towards you) to free the back panel(partially)
  • Remove a screw on the back end(with the stair pattern facing towards you) to free the back panel(partially)

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Remove all four screw surrounding  the circuit board in charge of dispersing and changing the power The top right screw is really annoying, ensure you have clipped all zip-ties and the proceed to drive yourself insane The top right screw is really annoying, ensure you have clipped all zip-ties and the proceed to drive yourself insane
  • Remove all four screw surrounding the circuit board in charge of dispersing and changing the power

  • The top right screw is really annoying, ensure you have clipped all zip-ties and the proceed to drive yourself insane

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Gently move the board on a yaw axis(horizontal) Place it on a buffer that will stop you board from scratching whatever it's on top of
  • Gently move the board on a yaw axis(horizontal)

  • Place it on a buffer that will stop you board from scratching whatever it's on top of

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Remove glue surrounding the port that would be visible outside your computer(it is hot glue so it should be easy) There are clips to pull the metal back and the black plastic through to help remove the black plastic, though I do not cover this it should never be necessary
  • Remove glue surrounding the port that would be visible outside your computer(it is hot glue so it should be easy)

  • There are clips to pull the metal back and the black plastic through to help remove the black plastic, though I do not cover this it should never be necessary

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To remove the heat sink simply detach the two back screws with a medium sized screwdriver Heat sinks are used to disperse heat, as they have a large surface area to pawn the heat off to the air around it
  • To remove the heat sink simply detach the two back screws with a medium sized screwdriver

  • Heat sinks are used to disperse heat, as they have a large surface area to pawn the heat off to the air around it

The heatsinks in the primary stage could well be carrying over 300V DC. It won’t kill you - but it will hurt.

Not all PSU discharge. I know, I have scars.

To discharge properly - treat it like a CRT and do it the correct way.

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These two screws can be removed using a small socket wrench The bolt can be removed by something as simple as pliers(2nd picture)
  • These two screws can be removed using a small socket wrench

  • The bolt can be removed by something as simple as pliers(2nd picture)

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After all this work of disassembling this as far as you could go you surely have seen the magnificence of how crucial proper power is to a computer and everything around us, from you to what your reading on right now, we all have one thing in common: we need energy
  • After all this work of disassembling this as far as you could go you surely have seen the magnificence of how crucial proper power is to a computer and everything around us, from you to what your reading on right now, we all have one thing in common: we need energy

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Owen Preece

Membre depuis le 10/04/2018

633 Réputation

3 tutoriels rédigés

I can give you very good guidance on fixing these.

They all suffer from a VERY common problem.

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