Windows – DVI, DisplayPort, dual Monitors

displayhdmimultiple-monitorswindows 7

Equipment/Software:

Problem:

Bottom-line, I can only get one monitor to work at any given time. If I hook Monitor 1 to the DisplayPort and Monitor 2 to the D-DVI, only Monitor 1 will display a picture. Windows recognizes Monitor 2, but it won't display a picture. So, it seems I can only run the DisplayPort OR the D-DVI connection, not both.

I have a feeling this has something to do with HDCP, but I'm not sure. Any help would be greatly appreciated.

Update
I know the cables and second monitor work fine, because I swapped them all in, out, and around. Still, only one monitor at a time. I know the D-DVI port works fine, because I can run one monitor off of it.

Best Answer

  • I think you need to have an active display port. Something like this... http://www.newegg.com/Product/Product.aspx?Item=N82E16814999030

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