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Apple Computing Products:
macOS - Operating System
Stuck in Recovery Mode, can't boot into osx, Unable to unmount Bootcamp partition
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<blockquote data-quote="fo0ob" data-source="post: 1429856" data-attributes="member: 231866"><p>I have a 500gb mac drive, with a windows bootcamp partition on it. After using windows for a while, I would always get an error message saying "Macintosh drive may be damaged. Mount anyway? To which I would always click yes.</p><p> </p><p>Today I tried to upgrade to mountain lion. So I booted into lion, ran mountain lion, and after installing and restarting, I was taken to a sort of recovery window, asking me where I wanted to install lion. All I saw were my 650mb recovery drive and my bootcamp drive, both locked. I didn't see my macintosh partition.</p><p> </p><p>So I went into my recovery partition and ran disk utility. What I see in my disk utility from recovery:</p><p></p><p>>500.11 GB </p><p> >Macintosh HD (Greyed out, repair failed)</p><p> >Bootcamp (not greyed out)</p><p></p><p>Macintosh drive is greyed out. Tried verifying/repairing. Couldn't repair. Tried erasing the whole drive (500.11GB). I get "could not unmount drive". I think it is unable to unmount my bootcamp drive?</p><p> </p><p>So I basically cannot boot into osx itself (because I just get to the install osx screen and my macintosh drive, where I want to install osx, isn't even showing up), and I also cannot do anything from my recovery partition. I tried both erase and partition options in disk utility. Right now I am only able to boot into windows which is where I am posting this from. I cannot use a flash drive recovery method either because I can't even run the .dmg on windows. Anyone know how I can restore/erase my drive completely?</p><p> </p><p>Thanks.</p></blockquote><p></p>
[QUOTE="fo0ob, post: 1429856, member: 231866"] I have a 500gb mac drive, with a windows bootcamp partition on it. After using windows for a while, I would always get an error message saying "Macintosh drive may be damaged. Mount anyway? To which I would always click yes. Today I tried to upgrade to mountain lion. So I booted into lion, ran mountain lion, and after installing and restarting, I was taken to a sort of recovery window, asking me where I wanted to install lion. All I saw were my 650mb recovery drive and my bootcamp drive, both locked. I didn't see my macintosh partition. So I went into my recovery partition and ran disk utility. What I see in my disk utility from recovery: >500.11 GB >Macintosh HD (Greyed out, repair failed) >Bootcamp (not greyed out) Macintosh drive is greyed out. Tried verifying/repairing. Couldn't repair. Tried erasing the whole drive (500.11GB). I get "could not unmount drive". I think it is unable to unmount my bootcamp drive? So I basically cannot boot into osx itself (because I just get to the install osx screen and my macintosh drive, where I want to install osx, isn't even showing up), and I also cannot do anything from my recovery partition. I tried both erase and partition options in disk utility. Right now I am only able to boot into windows which is where I am posting this from. I cannot use a flash drive recovery method either because I can't even run the .dmg on windows. Anyone know how I can restore/erase my drive completely? Thanks. [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Stuck in Recovery Mode, can't boot into osx, Unable to unmount Bootcamp partition
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