It may very well be your GPU (not CPU) that's overheating.
Just out of curiosity: If you have any additional expansion cards, are they seated right next to your video adapter, or do you have one or two empty slots in between?
If at all possibly, you should keep some empty space next to your video card for maximum air circulation (and thereby cooling)
Just out of curiosity: If you have any additional expansion cards, are they seated right next to your video adapter, or do you have one or two empty slots in between?
If at all possibly, you should keep some empty space next to your video card for maximum air circulation (and thereby cooling)