How to add a third monitor to your laptop

If you spend any significant amount of time working at a desk, the single best way to boost your productivity is to connect a second monitor.

Most laptops have either a VGA or HDMI output, making the addition pretty simple: just connect the LCD, tweak Windows' settings to extend your desktop, and then enjoy the benefits of a double-size workspace. (My preferred arrangement: Outlook "permanently" open on the right, my browser and other stuff on the left.)

Ah, but why not go a step further? Why not extend your desktop even further with a third screen?

Simple: few desktops, and almost no laptops, have a second VGA or HDMI output, meaning there's nowhere to connect that third screen.

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Source: http://www.pcworld.com/article/2048942/how-to-add-a-third-monitor-to-your-laptop.html#tk.rss_laptopcomputers

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