After cleaning video card heatsink yesterday, GPU temp increase from 53-55c idle to 57-59c idle.
This is 9600gt overclocked (745mhz GPU, 990mhz memory, 1862mhz shader, 100% fan), before cleaning i used to get 53-55c idle and 42-45c idle(rain seasons).
I used silicon based paste between GPU and heatsink, i tried different methods and only small dot give me good results(tiny dot gave me 60c idle oc). I noticed a couple of thermal pads attached on bottom of the video card heatsink, since i reinstalled the heatsink 4 or 6 times do i need to replace them? they are in good condition (they are bit dirty but still have sticky glue on them).
Today i spent most of the times running stability test using furmark, the highest temperature i saw was 92c then this evening ran another test "xtreme burning mode" and highest GPU temp i saw was 88c. All this tests i ran with video card overclocked and so far no errors.
I installed stalker shadow of chernobyl and try to run it, after few minutes of playing game start to freeze then crash to desktop with error. The next thing i did was to reset video card cloaks which is (650 GPU, 1625 shader, 900 memory, 100% fan) and ran again stalker, this time the game didn't freeze but i notice the highest temp reported by eVga precision is 80c(GPU usage was 98%) which i believe is higher.
I don't understand why a dirty video card full of dust perform good over cleaned heatsink or may be this silicon based paste is not good(the same paste used on CPU which keep it under 45c idle). I was thinking maybe metal based paste will help solve this problem.
Please i need your help to solve this problem.
As iam writing this the GPU temp is 55 with default settings.
-e2200 at 2.6ghz
-(1gb x 2) ddr2 667
-Galaxy 9600gt (current default settings)
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