Q: OSX Boot Loops after booting in to Win10 via Bootcamp
Hello,
I did a clean install of osx 10.11.6. After running all updates I used migration assistant to bring in my userdata and apps. Then, I installed Win8 Pro x64 via bootcamp. From there, I upgraded to Win10 Pro x64. Win10 works great!
Once I shut down and go to boot back in to OSX, it just boot loops. Chimes, starts loading osx Reboots... repeat. I've booted in to recovery and told it to use it OSX as startup disk, and it still boot loops. Reinstalling OS 10.11 via internet recovery does the trick, until I decide to use Windows again. It also eats up 30 minutes of my time just to get OSX functioning again.
Any advice? I have a feeling Win10 is doing something to EFI settings? Please help.
MacBook Pro (Retina, 15-inch, Mid 2015), OS X El Capitan (10.11.6)
Posted on Aug 22, 2016 1:17 PM
SOLVED
So, I had removed Bootcamp and reinstalled W10 using a W10 ISO rather than upgrading from 8. It asked for product keys during installation but I skipped the step. Win10 did activate automatically once I ran my first round of updates.
OSX would NOT boot, so I booted in to internet recovery using cmd+r and reinstalled OSX. All my user data was fine, and now I am able to boot in to W10 and OSX and both work perfectly.
I am no sure why this worked, as with my previously installed W10 I tried reinstalling OSX, but it would break after booting in to W10. Hopefully this helps anyone else who encounters a similar situation.
Posted on Aug 22, 2016 5:21 PM