I was having problems with my PC crashing. I *thought* it was my CPU.
My CPU Q9550 was running at 105 C. I levelled all the way to 80 with it running this hot. Chatting to Ooga he suggested the stock heatsink/fan was terrible and after 6-8 months got a cake load of dust inbetween it. Sure enough pulled it out and a massive thick layer of dust had built up.
Bought a Zalman 9700 fan. Now it peaks out at 52C running 5 clients.
I still get pink/purple/green/blue screens of death which doing alot of reading is related to my GTX280. Apparently alot of people running them have problems. I cleaned out its cooling fan and it sits at about 65 under heavy load but the crashing is just anytime the 3D part of the GPU is initialized - ie Windows 7 Aero or if I manage to get into WoW and leave Dalaran it might do it.
After a few crashes its fine though and then will run solid for a week or so straight.
I am strongly thinking about getting a 295 or a ATI card but not sure if there is a batch of new cards coming out soon to hold off and wait.
I've got an i7 system with a GTX280 also.
My CPU runs around 45, my hard drive runs around 35 and my video card runs around 55. Completely stable, but damn does it heat up the room quick.
Hope that helps!
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