HT201150: How to turn on or turn off your Mac

Learn about How to turn on or turn off your Mac
Jermipersal15
Level 1 (8 points)
Mac OS X

Q: My iMac has been freezing lately. There is a coloured ball on screen and I cant do anything other than turn it off and reboot it loosing all my work. Can anyone help?

My iMac is freezing with a coloured ball on the screen. I can access any material and all I can do is switch it off, resulting in lost work. Jermipersal.

iMac (27-inch, Late 2012)

Posted on Oct 13, 2016 4:21 PM

by John Galt,Apple recommended
John Galt John Galt
Level 9 (50,379 points)
Mac OS X
A:

Shut down your Mac and restart it in "Safe Mode". To learn how to do that please read: Try safe mode if your Mac doesn't finish starting up.


Determine if the same problems exist while operating in that mode, or not.

 

Then, restart normally. If the same problem returns, please read the section If an issue doesn't happen in safe mode for Apple's recommended actions.

Posted on Oct 15, 2016 8:45 PM

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Jermipersal15

Q: My iMac has been freezing lately. There is a coloured ball on screen and I cant do anything other than turn it off and reboot it l ... more

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  • by Eric Root,

    Eric Root Eric Root Oct 14, 2016 9:26 AM in response to Jermipersal15
    Level 9 (74,022 points)
    iTunes
    Oct 14, 2016 9:26 AM in response to Jermipersal15

    Try running this program in your normal account , then copy and paste the output in a reply. The program was created by Etresoft, a frequent contributor.  Please use copy and paste as screen shots can be hard to read. On the screen with Options, please open Options and check the bottom 2 boxes before running. Click “Share Report” button in the toolbar, select “Copy to Clipboard” and then paste into a reply. This will show what is running on your computer. No personal information is shown.

     

    http://etrecheck.com/

  • by John Galt,Apple recommended

    John Galt John Galt Oct 15, 2016 8:45 PM in response to Jermipersal15
    Level 9 (50,379 points)
    Mac OS X
    Oct 15, 2016 8:45 PM in response to Jermipersal15

    Shut down your Mac and restart it in "Safe Mode". To learn how to do that please read: Try safe mode if your Mac doesn't finish starting up.


    Determine if the same problems exist while operating in that mode, or not.

     

    Then, restart normally. If the same problem returns, please read the section If an issue doesn't happen in safe mode for Apple's recommended actions.