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cannot boot up my imac

Dear all i acnnot boot up my imac 2012 after try to install mac os sierra and always dispay the mac os unable to verify....ask me to restart and then still same.. Pls help me

Posted on Nov 12, 2017 1:00 AM

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Posted on Nov 12, 2017 4:55 AM

Try booting into safe mode if hour Mac won't complete start up Use safe mode to isolate issues with your Mac - Apple Support

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cannot boot up my imac

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