Supper Cooling Radion GPU in HP Pavilion tx2350ea Laptop - How to ?

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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laptop failure and HP has, I believe withdrawn this laptop from the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 efficiently ? Is it
possible to fill the gap with some thermal compound which would not
run or bleed. 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.



My reaction to your situation is to go beat up HP again.

I'll lay odds your Laptop is a DV series which is well known for these GPU
related motherboard failures.
So much so that surveys on Laptop reliability are placing HP at the bottom
of the list.
e.g. http://www.squaretrade.com/pages/lap...iability-1109/

There are lots of references on the web to folk who have had their laptop
repaired for free by putting a bit of pressure on HP.
e.g.
http://consumerist.com/2010/08/hp-is...ims-court.html
Refusal to fix a Laptop with a 'major known fault' only two days out of
warranty is 'not' an acceptable or responsible reaction to your problem.

Best
Paul.