The photo illustrates a video card - removable VGA on desktop, PC
First, we need to know what VGA on the computer is: onboard or removable. On a laptop, you can look at the introduction, the brand of the machine, usually it's near the laptop keyboard:
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As an example here, the laptop I'm using has Intel's VGA HD Graphics 3000 series . For these lines it is quite simple and easy to find, there are 2 ways to install or upgrade drivers from CDs and DVDs included with laptops.
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Yes, in essence, VGA, whether removable or attached to the mainboard, requires drivers. With these types, you do the same as above, or most certainly, download the latest driver from the homepage of the company. Currently there are a number of major VGA vendors in the market as follows:
Remember to enter the correct Seris, VGA model and then look for the operating system (32 and 64 bits too).
Good luck!