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I have a try monitor setup with using the proprietary ATI drivers:

enter image description here

This works pretty well with metacity, with the exception of some maximize strangeness. On monitors 3 and 2 it works as expected. However, if maximize a window while it is with monitor 1 it maximizes on monitor 3. So I figured I would try Compiz.

When I start compiz with compiz --replace monitor 1 (forgive the backward numbering) goes black. The monitor does not lose power. I can still see the cursor if I move my mouse over to it, however compiz will not let me drag any windows to monitor 1.

I tried to set my outputs in ComizConfig Settings Manager but it doesn't seem to make a difference:

enter image description here

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up vote 2 down vote accepted

If you have Detect Outputs checked, that overrides the manual outputs in the window below. Once I unchecked Detect Outputs, everything works well.

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I saw the problem in the process of writing out this question, but figured it might help someone else. – Kyle Brandt Nov 2 '11 at 14:30

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