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  1. Thread AuthorThread Author   #1  
    neel69's Avatar
    iMore Newbie

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    11 Posts

    Exclamation Unable to DELETE Core storage logical volume.

    I recently purchased 27 inch iMac 5K with one TB fusion drive. I formatted the hard drive using the OS X Utilities and after that I tried to install OS X Sierra. But it started showing errors. When I tried to check the hard drive status and tried reformatting the partition I am getting this error message: "Unable to delete the core storage logical volume". Also the Macintosh HD partition is greyed out and is marked as having 0GB free (which is false) and I am unable to select that partition to do a reinstall of OS X Sierra. I tried Alt-Command-R for, I suppose internet recovery but am still getting the same error. Any suggestions?
  2. #2  

    Default Re: Unable to DELETE Core storage logical volume.

    I have no clue. But I'll give you a little bump so others may reply.
  3. Thread AuthorThread Author   #3  
    neel69's Avatar
    iMore Newbie

    Posts
    11 Posts

    Default Re: Unable to DELETE Core storage logical volume.

    Ok. So I took it to the Service Centre. They had it formatted through Terminal. Now it's working fine.

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