One pc, separate monitors in different room, possible?

DiaSin

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Feb 7, 2013
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Just a nice long monitor cable. Simple as that, as long as the wireless keyboard/mouse has the range.

 
If you have trouble getting the wireless keyboard to work well at that distance, get a long USB extension cable to go with your long HDMI/VGA cable. Plug the wireless keyboard's dongle into that to shorten the distance the wireless signals have to travel.

The long HDMI cables tend to be rather thick. They'll work, but you'll have trouble getting them to follow corners. Look for a RedMere cable. Costs more, but they are thinner for a given distance. (They take power from the monitor, transmit it back to the source, and use it to boost the signal strength being sent over the cable.)

The long VGA cables tend to have problems with crosstalk and interference (they are analog). Your picture quality may degrade.