Run Windows’ Device Manager, expand the Display Adapters sections, right-mouse click on the adapter, click Properties, and click on the Drivers tab.
If your drivers are more than a month or two old, I’d update them.
Go to the graphics card maker’s Web sites and find updated drivers for your version of Windows and your specific models of display adapters.
DO NOT rely on the automatic checking tools as they have a near perfect failure rate.
If you have two display adapters, update the drivers for both of them.
Download and install the updated drivers.
If your computer tells you the new driver isn’t validated for you computer, here’s how to fix that:
Apple Boot Camp