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Just made the upgrade to Yosemite but now my iMac wont restart or shut down. Whenever I try to do any of these it stays on a black screen with a mouse pointer, and I have to turn it off and back on manually.

Any help?

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  • Can you describe your problem with more details please? Are you inside Yosemite? And then you click on the Apple-Icon and Shut your Mac down? Which iMac do you have?
    – ohboy21
    Commented Oct 17, 2014 at 14:38
  • did you try any of the start ups like Safe mode....and you made a USB?
    – Ruskes
    Commented Oct 17, 2014 at 15:14
  • @miro What is your System Model ? Commented Mar 25, 2016 at 11:13

1 Answer 1

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Mine was showing a black screen after I updated my iMac to Yosemite.

I unplugged my USB mouse and the new Login screen was displayed.

No restart was necessary.

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