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Mac Mini not detecting Hard Drive after partition

Discussion in 'Apple Mac' started by DannyF, Feb 18, 2015.

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  1. DannyF

    DannyF Thread Starter

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    Hi, I'm new to here so i'm sorry if I posted this in the wrong section. I was using a Mac Mini(Late 2012) and i'd already had bootcamp on it with Windows 8 and I downloaded the Windows 10 Technical Preview and installed it off Windows 8. I should of made another partition but I didn't think about it at the time. I was on Windows 10 for a few hours and then I went to bed, when I woke up and I turned on my Mac Mini it didn't detect the Hard Drive and it wasn't available in the Disk Utility.

    Danny
     
    DannyF, Feb 18, 2015
    #1
  3. managed

    managed Trusted Advisor Spam Fighter

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    The Windows 10 install probably overwrote the EFI boot partition. There may be a better way but all I can think of is reinstalling OS-X then Windows.
     
    managed, Feb 21, 2015
    #2
  4. DannyF

    DannyF Thread Starter

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    I can't re-install OSX because there is no hard drive
     
    DannyF, Feb 21, 2015
    #3
  5. managed

    managed Trusted Advisor Spam Fighter

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    Oh right, so even booting with the DVD the Disk Utility doesn't see the hard drive at all ?

    If so you need some of way of wiping the drive so it looks like a new drive. TestDisk booted from a CD could do that, lots of ways to get that here :- http://www.cgsecurity.org/wiki/TestDisk_Livecd

    Read this thread, it might help :- http://forums.techguy.org/apple-mac/1143019-imac-wont-start-will-disk.html

    EDIT : I think if you can reinstall OS-X to the same partition as before you may be able to preserve the Windows partition and set up the dual-boot again.
     
    managed, Feb 21, 2015
    #4
  6. DannyF

    DannyF Thread Starter

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    DannyF, Feb 21, 2015
    #5
  7. DannyF

    DannyF Thread Starter

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    Also I don't have a DVD but the hard drive doesn't show up in Disk Utility
     
    DannyF, Feb 21, 2015
    #6
  8. managed

    managed Trusted Advisor Spam Fighter

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    Ok, please read my post #4 again I added some stuff.

    How are you running Disk Utility ?
     
    managed, Feb 21, 2015
    #7
  9. DannyF

    DannyF Thread Starter

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    When I boot up and there are no options in the boot menu something pops up saying Internet Recovery I can access Terminal, Disk Utility etc
     
    DannyF, Feb 21, 2015
    #8
  10. managed

    managed Trusted Advisor Spam Fighter

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    I see, it's been a while since I used a Mac.

    I think you can install OS-X over the Internet but if Disk Utility can't see the hard drive I don't see how you could do that.

    There are probably Terminal commands that would work to set the hard drive up for an install but apart from saying you could search for this online I'm unable to help with that.

    Perhaps someone with more knowledge will post.
     
    managed, Feb 21, 2015
    #9

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