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Remove and replace heatsink - extra thermal paste needed?

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  • Heatsinks
  • Thermal Compound
  • AMD
  • CPUs
Last response: in CPUs
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October 17, 2014 8:46:12 AM

I need to remove an amd fx6300 from a faulty motherboard and replace it in a working one.

Do I need to reapply thermal paste when reseating the heatsink? Or can I just put the heatsink straight back on? I wasn't sure if the connection between the chip and heatsink would be okay if I removed and replaced it.

If I need more thermal paste, how much should I apply and using what method?

This is using the fx6300 straight out of the box using the stock cooler.

All advice much appreciated.

More about : remove replace heatsink extra thermal paste needed

a b à CPUs
October 17, 2014 8:50:10 AM

yes get fresh paste and reapply that's a no brainer
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a b À AMD
a b à CPUs
October 17, 2014 8:58:17 AM

Yes always use new thermal paste, you will find that it has become dried out and probably will flake off some. Just use a rice sized amount in the center the pressure from the heat sink will spread it out.
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a b à CPUs
October 17, 2014 8:58:54 AM

Yes you need new thermal paste. People say anywhere from a grain of rice to a pea size amount of thermal paste.
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October 17, 2014 9:52:03 AM

Thanks. Should I clean off the old paste first? What with?
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a b À AMD
a b à CPUs
October 17, 2014 11:36:07 AM

thesynapse said:
Thanks. Should I clean off the old paste first? What with?


Yes you should, isopropyl alcohol 70%-90% will do fine, you can use toilet paper, cotton ball, Q-tips to clean the old paste off.
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