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Help! GPU overheating?

Last response: in Graphics & Displays
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April 30, 2009 7:27:57 PM

Hey all. Been having a problem for awhile now, where my screen turns a solid color (green, violet, grey, etc.) and I have to reboot to fix it. I can still hear sound when it turns to the color, and I think I can interact with whatever is going on. It happens most often during games, and sometimes rarely when I'm just using the desktop/surfing. I am running:

GPU: EVGA 8800 GTS 320
CPU: E6420 2.13 Ghz
Mobo: Gigabyte GA-P35-DS3R
Mem: 4 Gigs Patriot DDR2 800

I know the 8 series was supposed to run hot, so I use RivaTuner to keep the gpu's fan cranked all the time, and I don't think the core temp goes past 67-68.

I don't get why it keeps doing this, my guess is the card thinks it's overheating and shutting down. I was hoping that the first card would keep me good for 2 years (built in Sep. 07'). Is it a video card problem or something else (mobo, cpu, etc.)? I am willing to replace it if there is something faulty, but I want to make sure the problem is the GPU and not something else.

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a c 191 U Graphics card
April 30, 2009 7:40:41 PM

Establish a baseline first: Reset your BIOS to defaults and undo any overclocking. Check the temperatures, please do not guess.
It may be many other things but also tell us your PSU: Maker, model and Amps on the +12v output or putputs.
April 30, 2009 7:55:37 PM

Nothing is overclocked (never got around to it). PSU is Corsair HX520 - shouldn't be any problems there. I know the temp maxes out at about 67-68 because I've jumped to the desktop during full load in games and RivaTuner reads it as that.
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a c 191 U Graphics card
April 30, 2009 8:06:11 PM

OK, that seems to be a nice baseline.
You do not say the screen is artifacting (producing strange coloured lines or missing/corrupted textures in games).
Check your CPU temperature, verify the fan is working and the heatsink is not bocked. Take a look at the PSU intake as well, it could be blocked and causing the PSU to overheat. Finally, run with the minimum of memory to test each stick at a time as I suspect this might be the most likely problem.
a b U Graphics card
April 30, 2009 8:52:48 PM

Run Real Temp 3.0 in the background next time you are gaming. It records the CPU and GPU temps tp a log file and you can go back after the crash to review it.
April 30, 2009 10:38:53 PM

coozie7 said:
OK, that seems to be a nice baseline.
You do not say the screen is artifacting (producing strange coloured lines or missing/corrupted textures in games).
Check your CPU temperature, verify the fan is working and the heatsink is not bocked. Take a look at the PSU intake as well, it could be blocked and causing the PSU to overheat. Finally, run with the minimum of memory to test each stick at a time as I suspect this might be the most likely problem.


Checked internals of computer, was a bit dirty but nothing was clogged and airflow was good. Checked each memory stick separately with memtest and to see if the computer would boot. Everything passed.
April 30, 2009 11:40:11 PM

Okay well, it happened again in the middle of a game. I found out that while I do still have sound after it occurs, it's only the music - I don't hear any sound effects and can't interface with a menu or give commands, etc.
!