MBA 11" ultimate lags when moving windows..any idea why?!

Discussion in 'MacBook Air' started by will0407, Mar 23, 2011.

  1. will0407, Mar 23, 2011
    Last edited: Mar 23, 2011

    will0407 macrumors 6502a

    May 20, 2006
    I upgraded from an 11" 2Gb 128GB to an MBA 11" ultimate yesterday.

    I have it hooked up to a 24" ACD with wireless keyboard and USB mouse.

    When I moved windows (safari) around on my stock 11", they moved around the screen without issue, nice and smoothly as if I were using the actual screen of the laptop.

    With my new ultimate, the windows don't always move smoothly, they appear to lag slightly. It's an obvious difference; it only happens when I have a movie playing at the same time. If there is no movie playing (even open but paused) I have no issues.

    Is this normal? If not then what could be causing it?

    Is it possible it's to do with the 10.6.7 update? I never got to use my stock machine on 10.6.7 as my ultimate arrived they same day it was released.

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