You can go to the following website to learn more about what exactly a dual monitor card does and where to get one http://www.nextag.com/dual-monitor-card/stores-html

One can get a dual monitor wallpaper from various homing stores such as Best Buy. You can also buy a dual monitor wallpapers from online websites that sell them.

There are several online sources where one can purchase a dual monitor cable. Tiger Direct, Amazon, Show Me Cables, Monitor Cables and Cables Plus are websites where one can purchase a dual monitor cable.

You can find more information on dual monitor cards by going to the following website for everything you need to know http://www.nextag.com/dual-monitor-card/stores-html

If your computer supports dual monitor, yes you can.