Go to Start, type dxdiag and open the utility. In the DirectX Diagnostic Tool, press the Display tab and identify your video card model. After that, visit the video card developer web page and download the latest drivers for your device. Right-click on the Computer icon, select Manage and go to Device Manager. Select the Display Adapters option, right-click on your device and select Update Driver Software. Press the second option and browse your computer for the downloaded driver. Then click Next and follow the self-explained instructions.