iMac Weird Boot Up Pattern

Discussion in 'iMac' started by timsalmon, Sep 29, 2012.

  1. timsalmon macrumors newbie

    Joined:
    Sep 29, 2012
    #1
    I haven't noticed this before and wonder if I should be concerned. It seemed to start after I used Bootcamp, installed Windows 7, changed my mind and removed it again. Then reinstalled OSX (for other non-related issues). It seems to be a 'streaky' kind of 'marble' pattern during the boot process which goes away when it's all fired up. Any ideas?
    [​IMG]

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    ...actually it's there all the time. Just need the right level of brightness to see it.
     
  2. JustMartin macrumors 6502a

    Joined:
    Feb 28, 2012
    Location:
    UK
    #2
    Looks like dust to me. Suspect the boot camp thing is a coincidence. Lots of notes out ther about cleaning inside iMacs.
     
  3. timsalmon thread starter macrumors newbie

    Joined:
    Sep 29, 2012
    #3
    Many thanks...

    ...will investigate further though if that's all it is and won't effect functionality *and* I find it hard to see routinely anyway, maybe I'll ignore! Response appreciated
     

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