Cannot see Mac Partition when in Windows

Discussion in 'Windows, Linux & Others on the Mac' started by gfreek, Aug 23, 2016.

  1. gfreek macrumors newbie

    Aug 4, 2016
    Have Macbook 12 running Windows 10 but have small issue, I know that the Boot Camp v6 Support Software allows read-only access to the Macintosh HFS+ partition, But while I'm in Windows I cannot see the Mac partition or access it.

    I did double check the HFS drivers are installed and I do not have FileVault enabled, did a search on google and some suggested I do the following:

    1) Boot in MacOS

    2) Open terminal

    3) sudo su

    4) diskutil corestorage list

    5) find the UUID of your macintosh logical volume partition (usually the last, with the size of your MacOS partition)

    6) diskutil corestorage revert UUID

    7) this will revert the partition to standard partition (not logical volume) it's a quick operation, instantly revert your SSD with no data loss.

    8) Reboot in windows, and now you should see Mac partition.

    Before I do the above steps I wanted to clarify is this safe? Will I corrupt the partition and end up not being able to boot to Mac or maybe Windows?
  2. Shirasaki macrumors 604


    May 16, 2015
    Best practice. Do a backup before doing so.
    And since this method has been proved many times it is safe to say this method is safe. However I didn't try it out before so I have no idea how this will go if you have a windows partition.
  3. maflynn Moderator


    Staff Member

    May 3, 2009
    By chance, do you have filevault enabled? That might be the reason why you cannot see it.

    The advice of backing up your system before doing any work is a solid
  4. tonyunreal macrumors regular


    Feb 25, 2010
  5. gfreek thread starter macrumors newbie

    Aug 4, 2016
    No FireVault is not enabled.

    Yes, I'm running the Windows 10 anniversary update so that could be it as I have reverted corestorage to standard and still no joy so this was a pointless exercise also it was a good thing I backed up as my Mac partition would not boot while windows was ok so had to restore from my backup.

    But now I have new minor niggle/issue is there a way to hide but not remove the 'Recovery 10.x.x' Partition from my MacBook Boot Menu (Alt/Option)?

    I just only want to see my 'Macintosh HD and Windows Partition when I Access the boot menu?

    Any help is appreciated on how to hide this Recovery partition.
  6. supermariofan25 macrumors regular


    Feb 7, 2011
    Only way I know of is to remove the Recovery Partition and rely completely on Internet Recovery or make a El Cap install USB to use an external recovery drive. Note that an El Cap or Sierra install USB might be your best bet as the Recovery partition does not contain a full version of the Operating System and requires the internet to actually reinstall the operating system (Hence the Recovery partition is only ~600 MB). Also note that removing the recovery partition could be tricky if not impossible if you have Windows installed.

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