You will need
  • A computer with Internet connection.
If you are going to reinstall the operating system, it is recommended to prepare in advance the drivers for all devices. This can be done using the program Driver Genius. It allows not only to search for drivers on the Internet, but also create a backup of the current system.
In the absence of the original disk with drivers, it is first necessary to calculate the name of the manufacturer and model of your video card. The easiest way to find and review the printout with the configuration of the computer which you received at purchase. Also you can find boxes from your computer, one of which will be specified in the model card.
If you want to know the model of the video card software, run the applet "DirectX diagnostic Tool". To do this, click "start" and select "Run". In the blank field type dxdiag (abbreviated name of the applet) and then click Enter or "OK".
In the opened window go to tab "Display". In the "Device" will display detailed information about the card installed, and in the "Drivers" — the version of the installed software. If the string "Manufacturer" will be the value "N/a" device not defined or not detected (integrated graphics card). To determine the model of the card you can use software Everest Ultimate Edition or SiSoftware Sandra.
Then you need to go to developer website: Nvidia and for ATI Select the model, OS version and click "Download" (Download). After loading the video driver, perform the installation by double-clicking the executable file.