You may have heard of USB video adapters, and have been wondering what they are, and whether or not they will work in your setup.
USB video adapters are devices that take one USB port and go to one or many video connections, such as VGA, DVI, HDMI or DisplayPort. This is useful if you would like to add an additional display to your computer setup, but are out of video connections on your computer.
USB video adapters allow you to mirror or duplicate your display, so the same windows are shown on all of your displays, or extend your desktop, so that you can have different windows on each display.
So what do you need to know before you purchase a USB video adapter?
There are a few other important things to note: