To connect 2 or more monitors to a computer your graphic hardware has to support it. In most cases you got 2 connectors on one graphic card. It is possible that 2 different connectors are located at your graphiccard. So you need 2 different monitors, or a converter. At last, you have to setup your graphics driver in you operating system to use 2 monitors. There are several modes you can use 2 monitors with: * clone (displays on both the same thing) * large desktop (makes your desktop larger)