GTS 250 crashing after about 1 hour gaming

Dice_69

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Hi, My newly installed Gigabytes GTS 250-1GB (ZL-version)keeps crashing when I play intense 3d-games. MB is MSI P7N platinum. Temp never exceeds 69-70 degrees C. PUS is 500W. I have the latest Nvidia drivers installed. Crash description: NOT bluescreen but "graphic- chaos". Kind of like a cracked window with irregular triangles and other shapes all over the screen :(. Always have to reboot. Any ideas would be greatly appreciated. Cheers
 

Dice_69

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Top temp at intense 3d gaming.
Idle is at around 38-40 which is higher than advertised (32) but I figure it's due to their measure beeing with an open chassi.
Crit core temp is at 105 deg. C.
 


What you are seeing is a symptom of a problem with the GPU. what you are seeing suggests that either the card is overheating or maybe there is build quality issue with the card where it has a weak connection that is made bad when the card gets warm, loose solder or some such.
If you are sure the card is not getting too hot then i would return it as faulty.

Mactronix
 

Dice_69

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I exchanged the card and put in the new one. Still have problems. Still temps are fine.
Updated the BIOS of my MSI P7N platinum board.
THIS yielded a change. I no longer get graphic bugs BUT I do now get freezes every 10 minutes when playing games. (Not otherwise so far).

I'm kind of confused here!!!
 

Dice_69

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My former card was ATI. This is nVidia so I don't THINK it should interfere but I will try anything now.
Any risk of a driver sweeper program removing the wrong drivers, like nVidia network control drivers?
Which program do you suggest?
 

Dice_69

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OK, cleaned with Driver Cleaner Pro v.1.5 and removed all ATI junk.
Re-installed latest nVidia drivers.
Unfortunately no inprovement in game-stability. Still locks up after a few minutes.
 

Dice_69

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The RAMs I use are Kingston
KVR53302N4/1G and
KVR53302N4/512
9930462-003A01LF
P773800-1805987
1.8V

Unfortunately, I'm a newbie when it comes to setting timings and voltage for these :(. Suggestions?

What I did do is to remove and test systematically to check for individual malfunction. All seem OK (and have been for 2 years. Nothing new added).

Also rechecked temps with other/better programs.
GPU temp.
OK, ran the Furmark stability test for 20+ minutes on max MSAA (x16).
Temp came up to 74 degr. C within 5 min then kept there (+/- 1 degree) throughout the test.

CPU temp.
Downloaded and started up CoreTemp.
Dowbloaded and started Prime95 (ver.258).
Readings after 15 min testing where temps had been stable (+/-1 deg) for at least 10 min:
Core0: 62; Core1:58; Core2:61 Core3: 61

Still seems within acceptable limits, I think.