Has anyone found a way to enable full-screen video mirroring on nVidia's current drivers with 200 series cards? Removing that option was complete bullshit, and someone should hack the drivers. Are there any video players that can get around it on their own? This used to be a standard feature. Very simple concept. Any video playing on primary display is mirrored full screen on the secondary. There's no reason a GTX 285 FTW Edition shouldn't be able to do it.
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If your video card has 2 ports, you should be able to have 2 identical screens. Just run 2 instances of the video player. One on each screen. Should work out.