Click on the "Start" button. For Window Vista and Windows 7, this is the circular Windows logo button on the lower left side corner with the screen.
Type "devmgmt.msc" without worrying about quotation marks within the "Search programs and files" box. For Windows XP and earlier operating systems, click "Run" after which it type "devmgmt.msc" from the box. Press "Enter" to spread out it Manager.
Expand the "Display adapters."
Right-click "VIA/SG3 Unichrome" under "Display adapters" and click on "Update Driver." It will automatically get connected to the web and look for updates for the driver. When an update is available, the pc automatically installs the motive force update. If there aren't any updates, there'll be a pop-up message that says "The most effective driver software for the device has already been installed."
Click "Close" in order to complete.