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Connecting Multiple Computer Monitors


Running multiple PC computer monitors from one computer is an option that can increase productivity, in that multiple applications can be viewed in full screen at the same time, lessening the need to click back and forth. Setting up multiple monitors for your computer is easy, but you may need some additional hardware.

Video Card Requirements

You can only run as many monitors as your video card supports. Most newer computers come with a video port that allows a dual connection, so that up to two monitors can be run at the same time. If you want to add a second monitor to your computer, check the specifications for your video card to see if it supports a dual connection. If so, all you have to do is plug in a second monitor. If not, or if you want to run more than two monitors, you will need to buy a second video card. To determine what kind of card you need to buy, check whether your computer needs an AGP or PCI video card. Once you have the card, open the computer and install the card into the appropriate AGP or PCI slot. Make sure all monitors are securely plugged in and turned on before you boot the computer. At that point, you may have to install additional software or drivers that came with the video card.

Setting Up Multiple Monitors

Most newer computers will recognize a second monitor right away, but if yours does not, you will need to change the display settings. First, go to My Computer > Properties > Hardware > Device Manager and make sure the computer recognizes that there is a second monitor. After that, you can change the display settings to make the second monitor look the way you want it. To do this in Windows XP, go to Desktop > Properties > Display Properties > Settings and make sure the display settings are set for multiple monitors. To do the same thing in Windows Vista or Windows 7, go to Desktop > Personalize > Display Settings.



Northrup, Tony. “Using Multiple Monitors with Windows XP.” Microsoft Corporation. N.p., n.d. Web. 10 Dec. 2010.

“Setting up Multiple Monitors | PCMech.” PCMech – Computers and Technology for Normal People. N.p., n.d. Web. 10 Dec. 2010.

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