Adding a tertiary monitor, however is more difficult. Windows doesn't support it by default, so you may need to use third party software from a video card manufacturer.

I am running a crossfire setup with 2x radeon hd6970's. I am looking at added a 3rd monitor to my setup. Currently I have just 2 acer monitors running both via Dvi. If I add a 3rd what is the ...

What's better than a two-screen setup? A three-screener, of course. Here's how to work around the video-output limitation.

I am running Win 7 Ultimate, x32. I currently have a Sapphire ATI HD 4870 512MB card in this machine running dual monitors (30" and 24"). I would like to add a third monitor. I am just a casual ...

Two computer screens, of course. Adding a second or third monitor to your laptop or computer allows you to multitask on projects more efficiently than just relying on a solo screen.

It doesn't replace your existing computer screen but simply extends it. It's like attaching a second or third physical monitor to your computer, except it's all virtual, of course.

What Is Needed to Run Two Monitors Off of One Computer?. Using an additional monitor on your office computer is handy when designing company newsletters or other publications, allowing you to see ...

If you want to know if multiple monitors slow down a computer or if dual monitors affect gaming performance, this article is for you.