Bootcamp partition corrupted - works in parallels

Discussion in 'Windows Guest OS Discussion' started by AndrewBT, May 9, 2021.

  1. AndrewBT

    AndrewBT Bit Poster

    Hi there

    I have a bootcamp partition which I have been using in Parallels Desktop for Mac for a year or two. Today I tried to boot into bootcamp directly, but it got stuck in a boot-loop, then went into 'Preparing Automatic Repair'. I am unable to boot into bootcamp but the OS still works perfectly in Parallels from the Mac side. I have the latest Parallels desktop update and Windows updates.

    This is what I've tried:

    - Tried booting into restore mode (CMD+R) but 'first aid' option is not available for MacOS
    - Tried several of the automatic repair options on the Windows side, none work
    - Tried booting into safe mode on the Windows side, this also gets caught in a boot-loop and ends up in preparing automatic repair
    - Tried booting from USB drive containing a Windows 10 image. This fails to boot giving an error about startup disk not recognised.

    Can anyone assist? I don't want to have to wipe the entire bootcamp partition just to fix this ... :(
    Best regards,

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