Emmanuel

Hey everyone, in my laptop there is a thermal pad over the GPU (in between the HSF and the GPU), should I replace it by a thin layer of AS5?

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0rion

It depends. I took apart my laptop once and found my setup for the chip was weird. It had the chip, a shim, then the cooler. Very little thermal material between them. I took it off, cleaned off what I could, and put AS5 between the cpu/shim/cooler. My point here is that the cpu cooler was not in direct contact with the chip. Your gpu might be the same way. If they used a pad, it might be making up for some space between the cooler and the gpu itself.

I would say try putting AS5 on there, as it will transfer heat better than a pad will. However, check to make sure the gpu cooler makes good contact. If it leaves a gap, it wont transfer any heat at all, and your gpu could risk getting damaged.

Manyak

/agree with the top poster...

Except you should make sure that there are some sort of mounts for the HSF. If its stuck on using the pad as an adhesive as well, then it will be dangerous to put AS5 in there as it may slip off and short circuit your laptop.

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RyanRacer48

I couldn't have said it better myself orion ..

Rep it up gentlemen.

The only point of thermal paste is to transfer heat from the cpu/gpu to heatsink /heatspreader. Not to mention fill the void spots where contact isn't made due to manufacturing defects " machining marks ". Which is where lapping comes in.

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pig69

I'd use arctic ceramique for gpus and mosfets. as5 is for cpus. Capacitance issue.

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Sm3gH3ad

Yea, it might not be the best idea to put it the gpu.

http://www.arcticsilver.com/as5.htm

Ceramique would be the best choice.

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mrtn400

Or you could just go all the way and get some MX-2, which is completely non-conductive.

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