Introduction

The fix, I place a thin alloy shim between the existing heatsink & chip, with a good quality thermal paste, I always use artic silver 5(never lets you down)

This is a complete top half strip down to fix (takes me less than 30 minutes)
  • This is a complete top half strip down to fix (takes me less than 30 minutes)

this is the culprit, as you can see the shim can easily overheat & go concave lifting off the chip.
  • this is the culprit, as you can see the shim can easily overheat & go concave lifting off the chip.

cut  a  thin piece of alloy to the same size as the existing shim, i used an old alloy door push plate(easy to cut) & is the ideal thickness
  • cut a thin piece of alloy to the same size as the existing shim, i used an old alloy door push plate(easy to cut) & is the ideal thickness

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Thoroughly clean the chip with pure alcohol, then apply an even spread of good quality thermal paste(Arctic silver 5) will never let you down
  • Thoroughly clean the chip with pure alcohol, then apply an even spread of good quality thermal paste(Arctic silver 5) will never let you down

THen apply more thermal paste to the top of the shim
  • THen apply more thermal paste to the top of the shim

The new alloy shim is under the existing thin shim. I've done more than 20 of these repairs & had 100% success rate I always do the same to the CPU (might as well your already in there).,
  • The new alloy shim is under the existing thin shim. I've done more than 20 of these repairs & had 100% success rate I always do the same to the CPU (might as well your already in there).,

This is the CPU with the new alloy shim fitted.
  • This is the CPU with the new alloy shim fitted.

Conclusion

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

One other person completed this guide.

Terry Sim

Member since: 02/12/2011

161 Reputation

1 Guide authored

Pros: Very good hi-res pictures, well explained.

Cons: The disassembly instructions are missing

Nicola Nascimento - Reply

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