Worth upgrading 11" MacBook Air 1.4ghz 2gb ram to mountain lion?

Discussion in 'MacBook Air' started by wangchunggti337, Dec 27, 2012.

  1. macrumors regular


    Jan 14, 2007
    I am interested in upgrading, but am concerned with the new operating system running slower. Any thoughts?
  2. macrumors 601

    Aug 27, 2012
    If u have a clean Lion installer, u can always "go back."

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