First try a reboot: Normally cures 90% of PC problems.
Without knowing the card details it's difficult to suggest what next. Maybe the drivers have been corrupted, for some reason. As it says maybe downloading the latest versions may help.
However I'd so a reboot first, then have a look at the performance tab. there's not much adjust. I'm on a Mac so it may be different on a PC, but the only tab I've got apart for the advanced option is the OpenGL Drawing option, which is ticked