todd.

one of your monitors is 1280x1024 at 60Hz?
the other 3072x768 at 75Hz?

you have installed some older ATI display drivers? I noticed you have something called ATI monitor running?

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running monitors at different refresh rates is almost always a problem - you need to find a resolution that works - or combination of resolutions and refresh rates that work.

also suggest you uninstall any ATI drivers or monitors.
As unless these are very recent - they are likely to be the source of bugs in graphics.
But they might not. There are too many combinations of things.

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This isnt going to fix anything - but suggest also you install 10.4.8