In windows xp I use to be able to have three monitors, two running off my PCIe and 1 running of a PCI card. Since then I have upgraded to windows 7 and can only get one card to be enabled (one or the other, but they both do work). Is there any way to be able to get a tripple monitor setup without buying new stuff?


It seems some vendors don't want the expense of making a new driver to allow their lower-end PCI cards to work with 7. I ran into the same problem and had to buy a new PCI card that explicitly stated that it worked on Windows 7. 3x monitors is possible though.

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  • I know it's possible but the only way I have seen it was with SLI. Thanks for your help. – Pieces Sep 6 '10 at 12:25

The driver model was changed in Windows 7 from Vista, allowing heterogenous GPU's to coexist peacefully. My current Windows 7 box has 1 Nvidia card and 1 ATI card, running a total of 3 monitors.

http://en.wikipedia.org/wiki/Windows_Display_Driver_Model: "Support multiple drivers in a multi-adapter, multi-monitor setup"

What are the two cards?

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  • An Ati 9200SE(PCI) and Ati 5xxx HD series (Don't remember off the top of my head and I'm not at my desktop right now). – Pieces Jul 9 '10 at 15:07

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