To display adapter (video card) to work correctly, it is important to install this version of driver, which would suit not only to the graphics card, but the operating system and its architecture.
To find the video card driver, open "device Manager" and under "display Adapters" to view the properties of the driver. To do this, click the right mouse button on the icon "My computer" and selecting "device Manager", under "display Adapters".
Clicking on it, right click, open "Properties".
Now in the tab "Driver" you can find out the version of an installed video card driver.