Thermal compound HP G61

Hello

I have my laptop for several years now, but recently it has become very hot, and the fan continues blowing loudly. As the guarantee of the laptop disappeared for several years now, I decided to open the case to clean the fan and apply new thermal paste. However, when you remove the fan I noticed several black thermal pads on some of them, for what I guess is, GPU chipsets. The pads were very dusty and cracked. I cleaned the fan and am now trying to figure out what I can use as a substitute for black thermal pads. I guess than regular thermal compound from the CPU is sufficient for GPU chipsets.

Heat sink code is:

HP 534684-001 SPARE PART

Do you have any idea what I can use?

Kind regards

Soden

The black keys which you reffer are carpets made from Silicon heat transfer. I looked at your radiator, and the picture shows a copper box that is for the cpu. I would recommend artic silver or a similar compound high range. Silicon pads can be had online (example):

http://stores.eBay.com/best-computerparts/soft-thermal-pads-/_i.html?_fsub=2445042013

The color can mean either thickness or rate of heat transfer. This is the most difficult part that most retailers ebay do not list the rates of HT, but nothing in the 1.5 - 2.0W range will be just fine. The most important is the thickness. You don't want to make too thin as so it will not make good contact. Not thick or it will prevent other areas of the radiator to make good contact.

I'm trying to find the best rate HT. If you have to you can stack the pads, as Silicon will give a little and it will not affect heat transfer. Beware of the shims. Not done properly, they can put undo stress on the Inserter and subclassing leading to failure to chip.

Tags: Notebooks

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