Basically the easiest way to find out on Windows(if drivers are installed)
1. Go to your Desktop.
2. Right click on your background and click Properties.
3. Click on Settings and look under "Display:". It should state your graphic card model.
Go to Start.
Right click on my computer and select Properties.
Select the "Hardware" tab, and press deviceprocessing.
Go down to Screen card (Click the +).
Answer to Simply Find out ALL your system settings
You Can download this program called "Everest Freeware Edition" Just google it and run a report you can save it, e-mail it, Or do whatever you want to with it. Its very simple and easy to use.
Answer for people who already have the proper graphics card drivers installed.
Go to start then run and type "dxdiag". That will show you information about your computer as well as your video card type. You can also get this information from the device manager.
Answer for people who do not have the graphics card drivers installed.
Shutdown and unplug the computer.
Remove the outer casing.
If possible carefully remove the graphics card.
Read the model number off the card. (write it down)
Place the graphics card back in to the place you removed it from.
Close the casing
Power up the computer.
Look on the manufacturer's website for the exact name of the hardware
Answer for people who do not have the graphics card drivers installed, and don't want to open up the computer.
There are several programs available which can tell you the pnp (plug and play) info from the card itself. Using this information with a little googling it should be easy to determine what video card you have.
Some of these applications are linked below.
These instructions were copied from wiki. Please see the following link for more information.http://wiki.answers....s_card_you_have