Rolling back to a previous driver is more likely to help if you have an older video card, but if you want to be thorough you can also try this for newer video cards.
A restore point allows you to undo software changes you make while trying to solve your video card problem.
If you don't uninstall first then you can sometimes cause some pretty obscure problems.
Full instructions on how to uninstall your display drivers are here and full installation instructions are here.
But once you fire up a game, the sound is often generated using lots of complex calculations running on the sound hardware.
It's not uncommon for the advanced part of the sound drivers to be a bit buggy and to cause system crashes.
It can also solve problems with damaged display driver installations.