Unib MBP, External monitor, dragging windows

Discussion in 'MacBook Pro' started by lordthistle, Apr 3, 2009.

  1. lordthistle macrumors 6502

    Joined:
    Feb 29, 2008
    Location:
    Italy
    #1
    I started using an external display attached to my 15" Unibody MBP through a MiniDisplayPort-to-VGA (analog) connector.

    Everything works fine, but when I drag a window on the external monitor (both in dual monitor and single-monitor-close lid mode) I see some strange artifacts.

    Basically, the window just "breaks". One part goes faster than the other . Sometimes you have broken edges, other times the window wobbles (like on Linux Compiz).

    Images are better than thousands of words... here's the video I took with my cell phone:

    http://www.youtube.com/watch?v=YeMFLvKhyUM

    Is it normal? Is there any way to solve this issue?

    My MBP's logic board has been replaced twice in the past three weeks. So I just wonder if there is a new problem also on this third one.

    -- thistle
     
  2. spinnerlys Guest

    spinnerlys

    Joined:
    Sep 7, 2008
    Location:
    forlod bygningen
    #2
    Have you tried another monitor, if the behaviour is the same?

    I suspect the monitor right now.
     
  3. lordthistle thread starter macrumors 6502

    Joined:
    Feb 29, 2008
    Location:
    Italy
    #3
    It's the only monitor I have. I will try with another one in the next days.

    Thanks for the reply...

    thistle
     

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