Originally posted by chziime
I don't think it's a cooling problem. I fixed my cooling problems. Doesn't the 6800 Ultra only need lat least 350 or something? The 460 thing turned out false...
I read those articles but...
It all depends how much things you have inside your PC and what type of things. Also, if you have a very good PSU that is 350W it is often better than a no name generic PSU that is 450W.
But to play it safe 450W PSU minimum is what most PC gamers recommend for their rig and 500W if they want to overclock. Having a good PSU also lowers the heat because at a high wattage all components don't need to stress out the PSU to get their power.
What is your PSU? I have seen 6800 Ultras quite unstable when maxing out graphic options and playing graphically intensive games with a low PSU.
I even had a friend install a 9800 Pro in a 240 PSU and let's just say he got VERY fustrated fast but what else is there for him to do? He is a crappy Dell.
If you find that the problem is not isolated to your PSU...like I said if your card finds itself overheating it should REBOOT your machine not just freeze it. You can go into your BIOS and check the temps. If you think your temps are fine that it is most likely a driver issue.
As I said, Nvidia's support for Direct3D is less than stellar unlike ATI. The games you listed (Far Cry and HL2) are Direct3D games. Does this happen often too when you play an OpenGL game like Doom 3?