1. iMore Question's Avatar
    upgrade Yosemite can't even shut down computer. Preview does not work. Can not upgrade app's from Maverick because I can't remember my original password from purchase. I wish I had read this article about jumping to upgrades.
    01-02-2015 05:39 PM
  2. kch50428's Avatar
    Holding the power button until it shuts off doesn't work?
    01-03-2015 12:14 PM

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