Problem with high CPU usage with Preview on a 2013 Macbook Air

Discussion in 'MacBook Air' started by granny shifter, Sep 5, 2013.

  1. macrumors member

    Aug 6, 2008
    Hi, I have been having issues with preview on my 2013 macbook air. Whenever i make a few annotations to a PDF that is greater than 50MB, my computer bogs down. The CPU usage shoots up to 100% on the activity monitor. Does anyone else suffer from this issue? Is there an update for Preview that addresses this issue? I don't have these problems with my rMBP. Thanks.
  2. thread starter macrumors member

    Aug 6, 2008
    Anyone? This is really frustrating when I'm taking notes and preview won't respond because of 100% cpu usage. I lose all of my annotations.
  3. macrumors 6502

    Aug 17, 2013
    I use Adobe Reader on my 2011 i5/4GB MBA with Mountain Lion and no problems with CPU usage when annotating large 1000+ pages 100+ MB PDF colored textbooks.

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