Mac Pro Boot Issue

Discussion in 'macOS' started by A.Goldberg, Apr 27, 2015.

  1. A.Goldberg, Apr 27, 2015
    Last edited: Apr 27, 2015

    A.Goldberg macrumors 68000

    A.Goldberg

    Joined:
    Jan 31, 2015
    Location:
    Boston
    #1
    I tried to install Bootcamp on a Mac Pro. It didn't end up working out. I had trouble booting in Windows and ended up pulling the second drive to get it to boot in OS X. It's been running fine since and I thought I changed the startup disk back to the OS X drive.

    When I rebooted today I got a white screen that eventually turned into this attached screen that says there is no disk. This looks like Windows screen to me, rather than the apple ? Startup disk warning.

    I'm not sure how to get back into OS X. I'm thinking this is software related rather than hardware. I believe the computer is still trying to boot into Windows.

    OS X is on a 120gb Transend SSD drive. This is a Mac Pro 1,1 running 10.7 - not the one in my specs.

    Thanks
     

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  2. A.Goldberg thread starter macrumors 68000

    A.Goldberg

    Joined:
    Jan 31, 2015
    Location:
    Boston
    #2
    I held down the option key and was able to select Mac OS. I'm just wondering why this happened?
     
  3. Taz Mangus macrumors 68040

    Taz Mangus

    Joined:
    Mar 10, 2011
    #3
    Go into System Preferences->Startup Disk and make sure your boot hard drive is selected.
     
  4. A.Goldberg thread starter macrumors 68000

    A.Goldberg

    Joined:
    Jan 31, 2015
    Location:
    Boston
    #4
    Yeah, it was, which is why I'm bewildered. The problem has seemed to resolve thankfully.
     

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