I recently added a Gigabyte 9600GT to my system. I was told that my PSU would beable to handle it. But when I popped in the card (before I had a x1950xt and it worked fine), I had random shut offs when I tried to play games like counter-strike source or MW2.
I checked the drivers and such nothing wrong with that, but I checked the cpu temps and it was hovering around 90 degrees IDLE!!!
Wow! before it was 60 degrees on a heavy load (playing games).
so I decided to take out the cpu cooler, and found that the thermal paste was like patches everywhere (not a smooth coat). Could this be why my cpu is overheating?
Also, if so, which thermal paste would you go for:
You sure your processor is hitting 90 celcius, if so it would be toast.
Either way scrape off the crap and use a real thermal compound. The only current ones I've used is artic silver 5 and artic cooling mx-2 and out of the two I prefer mx-2. I believe there is a mx-3 now.
But make sure your fans are dust free and air is flowing in properly. I know my brother's HP would heat up and shut itself down because of too much dust. A little cleaning with some artic silver 5 and it's all happy again.