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#ActualErik Rufelt

Posted 25 June 2012 - 05:04 PM

If you have the available port and get an additional monitor, it works perfectly fine to use two different GPUs simultaneously on Windows 7. Just connect them both, install both drivers, and they will work side by side as a normal multi-monitor environment. I currently have one NVidia and one AMD running.

If you get a very old and a newer card from the same vendor there might be driver collisions.. I haven't tried that...

If you want only one monitor and two graphics cards and switch between them that should also be possible, just put the DVI cable into one card and the VGA cable into the other, and let Windows think it's two different monitors. Then switch between which card/input you use with the monitors control panel and the monitor input settings.

EDIT: The monitor/input that you use for OpenGL must be set to the 'primary monitor' in the Windows monitors control panel. So to switch between the cards for OpenGL, switch which one is the primary monitor.

#1Erik Rufelt

Posted 25 June 2012 - 05:01 PM

If you have the available port and get an additional monitor, it works perfectly fine to use two different GPUs simultaneously on Windows 7. Just connect them both, install both drivers, and they will work side by side as a normal multi-monitor environment. I currently have one NVidia and one AMD running.

If you get a very old and a newer card from the same vendor there might be driver collisions.. I haven't tried that...

If you want only one monitor and two graphics cards and switch between them that should also be possible, just put the DVI cable into one card and the VGA cable into the other, and let Windows think it's two different monitors. Then switch between which card/input you use with the monitors control panel and the monitor input settings.

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