One monitor just not doing the trick for you? Or maybe you have to give a presentation and having people peer over your shoulder at your 12-inch laptop screen just isn't going to cut it. Whatever your reason for wanting a second monitor attached to your laptop, it's an easy task to complete. These steps will walk you through how to add a second monitor to your laptop.
Ports will either be classified as DVI, VGA, HDMI or Mini DisplayPort. The picture shown above is one of a VGA port (left) next to an HDMI port. Connect the second monitor to the laptop and turn on the monitor.