I've got dual monitors set up, and since the upgrade to Lucid they've been showing the same thing (instead of an extended desktop). In Monitor Preferences, when I try to uncheck the "Same image on all monitors" option and then click Apply, I get a popup box saying "Please log out and log back in again" (needless to say, doing this does nothing!). I found a couple of help pages saying that closing and reopening Monitor Preferences fixes this, but it doesn't for me.
N.B.: Wasn't sure what forum to put this in, so I opted for 64-bit since I'm running it. Please advise if another forum would be better.
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