Video card drivers are very important, if your computer doesn't have it, you can't watch a video or run a game. If your computer lost a video card driver, you need to download the right drivers for your video card, otherwise your computer may have a blue screen error. In order to solve drivers problem, let me introduce two methods for you.
Method One Download video drivers from manufacturer's website.
In fact, you can find many kinds of drivers from manuafactor's website, such as sound driver, video driver, keyboard driver, USB driver. But you need to spend some time to do this, this method isn't very quick, you have to pay some patience.
For example, if you are using HP computer, you need to find HP official website at first. Here is the website: http://support.hp.com/us-en
Second, Choose Software and Drivers, you can see the option on the home page.
Third, Enter your HP model number, choose Software and Drivers and click Go
Fourth, Select your operating version, such as Windows 10, Windows 8, Windows 7
Fifth, Download video card driver from driver list.
Then install it follow the instructions.If you don't like this method,please try the method two.
Method Two Update video drivers with DriverTuner
DriverTuner is a software which can help you update all kinds of computer drivers automatically, you don't need spend many times to search the drivers that you want to download. You just need to do a few clicks, then the right drivers will come out. This software will let you have a different experience, life become more and more simple, you will have more time to do other things. It support all Windows versions, you can rest assured to use it.
Here it is:http://www.DriverTuner.com/download/DriverTuner_Setup.exe