Unsupported sierra

Discussion in 'iMac' started by Luisb1, Feb 14, 2018.

  1. Luisb1 macrumors newbie

    Luisb1

    Joined:
    Feb 13, 2018
    #1
    I have iMac I try installing unsupported sierra after the start the boot for the pen drive e stay in the logo Apple the grey bar go until end and after don’t do nothing more stay there for hours. The thing is I used this pen for doing this in other iMac and Mac unsupported too and work. Can you help me ?
     
  2. Fishrrman macrumors P6

    Fishrrman

    Joined:
    Feb 20, 2009
  3. Luisb1 thread starter macrumors newbie

    Luisb1

    Joined:
    Feb 13, 2018
    #3
    2011
     
  4. Ottonaldo macrumors newbie

    Joined:
    May 5, 2010
    #4
    High Sierra works on my 2010 iMac 27 perfectly. There has to be another reason?!
     
  5. Luisb1 thread starter macrumors newbie

    Luisb1

    Joined:
    Feb 13, 2018
    #5
    Yes I do before in other Mac and works perfectly. I do the download and change for other pen drive and see what happen. I go try do with Yosemite and see
     

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4 February 14, 2018