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From: Meat Plow on 3 Aug 2010 09:45
On Tue, 03 Aug 2010 13:41:42 +0100, mbegz wrote:

> Hi all,
>
> I have this Laptop which has given up the ghost immediately two days
> after its warranty expiring. To cut the long story short, I have ordered
> another mobo. The original heat sink method for GPU on this mobo is
> thermal pad which I think is very inefficient, causing lots of laptop
> failure and HP has, I believe withdrawn this laptop from the market.
>
> There is a gap of about 1mm between the GPU and heat sink, and the
> surface of the heat sink is not flat for the obvious reason that it is
> meant for thermal pad.
>
> What alternative I have for cooling the GPU more effeciently ? Is it
> possible to fill the gap with some thermal compound which would not run
> or blead. Or reduce the gap with a copper shim and use thermal paste on
> either side. Resurfacing the original heat sink surface is not an
> option.
>
> Appreciate your thoughts on it.

Direct contact with an even thin film of past is always the best.
Whatever you can do to approximate that would be the best solution.
I find it hard to believe there was a 1mm gap between the sink and the
top of the cpu, that's insanity.
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