I desperately need help with this issue, it has been causing me undue stress for quite a while now.
Firstly, I upgraded my pc by purchasing a new GTS 250 512mb in December and adding additional ram. After installing the new graphics card, I proceeded to install forceware 195.62. In January, I upgraded to the new 196.21 drivers. However, this introduced some major problems. When I tried to play Crysis Warhead, the game crashed to the desktop about 2 minutes after the level loaded and windows informed me that "display driver nvkmm.dll stopped responding and has recovered." This happened every time without fail. I tried the original Crysis, and it worked, for a while. After about 12 minutes, the game crashed to the desktop, and I was greeted with the same "display driver stopped responding" error message. Crysis wars exhibited the same behavior as the original Crysis; it crashed to the desktop after about 10 minutes.
So, I reverted to forceware 195.62 and the problem vanished. However, I realized that the 195 drivers inflicted a significant performance penalty. In Warhead, I was getting terrible framerates at 1920x1080 on Gamer settings. The average was about 17, the min was about 10, and when I stood and looked directly at a wall, the framerate was about 32. The 196 drivers boosted the framerate by about 8 fps in all situations, and much more so when staring at the wall.
With the framerate frequently entering unplayable territory, I decided to try an older driver version. I had a 191.07 installer in the downloads folder, and I decided to revert to that driver. I installed it this morning. I sat down to benchmark Crysis Warhead, and was pleasantly greeted by a substantial performance boost (a return to 196 performance levels). However, after about 2 minutes, the game crashed to the desktop, and I was, once again, presented with the loathsome "nvkmm.dll has stopped responding error message". I tried playing Crysis, and it exhibited precisely the same symptoms as it did when I was using the 196 drivers. After about 10 min, the display driver stopped responding and crashed to the desktop.
My question to the people on this forum is, WHY???? I played all three Crysis games using my old 8600 GT (at a lower resolution) with the 191.07 drivers, and I never experienced such crashes. No other games appear to be afflicted by this problem either. Far Cry 2, Mass Effect 2, Fallout 3, World In Conflict, Unreal Tournament III, and many others run without issues on both the 196 and 191 drivers. Why do the 195 drivers perform so poorly (this performance penalty was also noticed in other games)?
I would be eternally grateful if anyone could help me resolve this issue.
My specs are:
Athlon X2 5200+ 2.6 ghz 2mb L2
Galaxy GTS 250 512 mb
4gb DDR2 ram
7200 RPM SATA 3.0 HD
Windows Vista Home Premium 32 bit
Firstly, I upgraded my pc by purchasing a new GTS 250 512mb in December and adding additional ram. After installing the new graphics card, I proceeded to install forceware 195.62. In January, I upgraded to the new 196.21 drivers. However, this introduced some major problems. When I tried to play Crysis Warhead, the game crashed to the desktop about 2 minutes after the level loaded and windows informed me that "display driver nvkmm.dll stopped responding and has recovered." This happened every time without fail. I tried the original Crysis, and it worked, for a while. After about 12 minutes, the game crashed to the desktop, and I was greeted with the same "display driver stopped responding" error message. Crysis wars exhibited the same behavior as the original Crysis; it crashed to the desktop after about 10 minutes.
So, I reverted to forceware 195.62 and the problem vanished. However, I realized that the 195 drivers inflicted a significant performance penalty. In Warhead, I was getting terrible framerates at 1920x1080 on Gamer settings. The average was about 17, the min was about 10, and when I stood and looked directly at a wall, the framerate was about 32. The 196 drivers boosted the framerate by about 8 fps in all situations, and much more so when staring at the wall.
With the framerate frequently entering unplayable territory, I decided to try an older driver version. I had a 191.07 installer in the downloads folder, and I decided to revert to that driver. I installed it this morning. I sat down to benchmark Crysis Warhead, and was pleasantly greeted by a substantial performance boost (a return to 196 performance levels). However, after about 2 minutes, the game crashed to the desktop, and I was, once again, presented with the loathsome "nvkmm.dll has stopped responding error message". I tried playing Crysis, and it exhibited precisely the same symptoms as it did when I was using the 196 drivers. After about 10 min, the display driver stopped responding and crashed to the desktop.
My question to the people on this forum is, WHY???? I played all three Crysis games using my old 8600 GT (at a lower resolution) with the 191.07 drivers, and I never experienced such crashes. No other games appear to be afflicted by this problem either. Far Cry 2, Mass Effect 2, Fallout 3, World In Conflict, Unreal Tournament III, and many others run without issues on both the 196 and 191 drivers. Why do the 195 drivers perform so poorly (this performance penalty was also noticed in other games)?
I would be eternally grateful if anyone could help me resolve this issue.
My specs are:
Athlon X2 5200+ 2.6 ghz 2mb L2
Galaxy GTS 250 512 mb
4gb DDR2 ram
7200 RPM SATA 3.0 HD
Windows Vista Home Premium 32 bit
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