WIndows 10 Computer Reset


My wife bought a HP laptop last year and rarely fooled with it -- so rarely that she has now forgotten the password. I tried to find a way around that problem and found this YouTube video:

I followed the steps until got to the "Computer Reset" step. I started that, and now (about 4 hours later) it's up to 42%, and hasn't moved in over an hour. Assuming the reset process is stuck, what do I do now?