HP G72 - thermal paste or thermal pad?

[artiny]

Hy

I have HP G72 laptop, I would like to apply thermal paste. Yesterday I did but is not good,because the gpu (ati 5470) is too hot.
In idle is gpu: 58-62 celsius , cpu (i3 350m) 42
When I played the youtube video (sample killer) is overheated to 80 celsius.
After 2minute gaming is turned off the laptop ...

I take too much thermal paste? :
http/i.imgur.com/F5jZCbq.jpg

I used a dot method .


In orginaly on the gpu was ...i think thermal gap. This is problem now, i use thermal paste not termal gap?

(In my city is cant buy thermal gap...so i need to order on web..)

 

[Shneiky]

I think you are using too much thermal compound. The layer should be thin, almost see through. Thermal compound (paste/grease) has better heat transfer properties than thermal pads.

 

[artiny]

I think you are using too much thermal compound. The layer should be thin, almost see through. Thermal compound (paste/grease) has better heat transfer properties than thermal pads.

Thank you for answer.

What is the best? The dot or layer method to apply thermal paste.

I read on the youtube this comment: "The best method is to simply place about a pea-sized amount of thermal paste in the centre of the CPU/GPU and then mounting the heatsink in one go (IE, not placing it on the pasted CPU/GPU and then lifting it up again, this creates airbubbles). The pressure from the mounted heatsink will spread the paste evenly."

 

[Shneiky]

I usually place 2 smaller than pea sized dots on both the CPU and the heat sink and spread the with the help of a bank card or some other plastic card similar On both the CPU and the heath sink the thermal paste has to be very thin, almost see through. Then I press them together and without lifting the heat sink I secure it with the screws, thumb screws or whatever. It is my method. Every method can work as best as the others when applied correctly. I use this method to ensure that when I press the sink there will be no excessive compound as some compounds are conductive and the excessive material can damage components.