Chosen Solution
I got frustrated with bootcamp process and I deleted the windows/bootcamp partition. Now, just get the spinning thing or grey screen after rebooting. My first world was windows, I may not be calm enough for iosX. Brian
Well you are in a bit of a pickle! You’ll need to wipe the drive and re-install macOS (not iosX) using the recovery partition or internet recovery following this guide How to reinstall macOS from macOS Recovery, then follow this guide ‘‘‘I’‘’nstall Windows 10 on your Mac with Boot Camp Assistant
