1

It's actually just a minor inconvenience because I can reboot and hold down Option to get back into High Sierra.

I'm mainly hoping to find out if there is a way to "update" this existing boot camp installation so that it can find the new macOS volume again. That way I won't want to try to reinstall windows again.

I'm sure it's just some partition/volume handle setting stored somewhere in the bootcamp system in Windows.

  • Have a look at this question and consider editing in your diskutil list and gpt info - apple.stackexchange.com/a/176557/5472 – bmike Oct 1 '17 at 20:33
  • I think this is macOS Sierra's problem, even with a clean install and new Bootcamp partition. My Bootcamp, can't locate macOS volume. – yannisalexiou Oct 1 '17 at 21:37
  • @gioalexiou can you confirm you're talking about High Sierra 10.13? – Steven Lu Oct 10 '17 at 3:28
  • @StevenLu my mistake, I mean High Sierra in my comment above! Nevertheless if your problem is just the primary OS for booting you can change this through Startup Manager! – yannisalexiou Oct 10 '17 at 23:27
  • Yeah the workaround works fine it’s just not clean because you have to re-target macOS after you re-enter it via opt key boot – Steven Lu Oct 11 '17 at 0:46

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