I want to delete my current Bootcamp partition, but when I use Bootcamp Assistant, I receive problems stating that I must first disable Bitlocker. I am unable to disable BitLocker since I am unable to get into the current Windows installation. I’d prefer to just start fresh and remove the current bootcamp partition because of this. I also attempted to choose the bootcamp drive using the disk utility software, but it was unsuccessful. I also attempted to erase Volume using diskutil in terminal mode, but it was unsuccessful: sudo diskutil eraseVolume JHFS+ deleteme/dev/disk0s3
The fix is to back up the Macintosh HD using Time Machine and erase the whole disk in macOS Recovery Mode. It will format not only the Macintosh HD but also the Bootcamp partition. After that, you can restore the Macintosh HD from the backup.
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The correct order is to first disable BitLocker on the BootCamp partition after booting Mac from the Windows partition, then switch to macOS and remove the Bootcamp partition via the Boot Camp Assistant. If you can’t erase it via Disk Utility and Terminal, the last resort is to erase the whole drive in macOS Recovery mode, but bear in mind, back up the macOS partition in advance.
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I have to take the last resort to erase the whole disk even if I am unwilling. Anyway, thanks a lot!