iMac jumping/jittery scrolling issue

Discussion in 'OS X Mountain Lion (10.8)' started by yourekillingme, Mar 31, 2013.

  1. yourekillingme
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    macrumors newbie

    Mar 31, 2013
    Hey ya all,

    So I got this new iMac.. 27", its literally 2 months old.. they problem is that when I try and scroll with the "magic mouse" its way jittery to the point where I can see blocks moving across the screen. Swpiing sideways get s the same reaction..

    I have office, autocad and adobe suite installed.

    Grateful for any assistance before I throw the screen over my balcony! (dont mean that literally..)

    If it would help, I can upload a video of my pain..

    PS: been to the "genius bar".. they replaced the mouse and sent me on my way..
  2. justperry
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    macrumors 604


    Aug 10, 2007
    In the core of a black hole.
    Connect a wired mouse and see if it's the same, if not it's something in the OS.
  3. yourekillingme
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    thread starter macrumors newbie

    Mar 31, 2013
    still got it..

    Yep, even with a wired mouse I am having the same issue. Any ideas on how I go about diagnosing what is wrong and how to fix it? Interestingly, I installed Chrome and its way less jumpy than safari.. but it still isn't smooth.

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