Hi elimtator!
If that happened after you updated your driver, I would recommend to try the previous driver built or disable all graphic boost options in your Nvidia control panel. Check if this issue still exist, if it's gone you can just try to manually activate some options step by step.
For more ideas for workarounds, we would need some information about your system. Your DXDIAG would help a lot to investigate this issue.
Cheers
Basti
