[ubuntu] 12.04 dash blur creates a shadow, shifts windows down

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http://ubuntuforums.org – Hi all, I'm running Ubuntu 12.04 on my eeepc and everything is going fairly well. my major problem at this point is mostly an aesthetic one, though it could also be causing some of the lag in unity. When I call the dash with the super button, it's supposed to spring up instantaneously, or so i'm told. mine takes about two seconds, so i thought i would remove the dash blur to speed things up. It is now set to no blur using MyUnity (it also says no blur in CCSM), and sort of takes away the blur, but it shifts the entire space where the dash is downwards (see the first screenshot, look at the top (Hardware)