New
#11
Update, fwiw
after reinstalling W 10 and then restoring my c: from image backup, things were still not right.
Exploring, I discovered that was because the drive letters were changed. Based on content my E: became D, H: became E. Don't know where c: went because I had installed the new W 10 on what is now c:. No wonder it wouldn't boot! If I had realized that sooner I might perhaps have solved my problems by booting into something and fixing the drive letter assignments. Weird. Don't know how that could have happened. Glad it's over.