Looks like nVidia 196.75 drivers have faulty fan control software, this causes frame rates to drop while you are playing games or performing any other GPU intensive tasks, this is a result of overheating.
nVidia 196.75 Drivers Cause Overheating
Looks like nVidia 196.75 drivers have faulty fan control software, this causes frame rates to drop while you are playing games or performing any other GPU intensive tasks, this is a result of overheating.