How to restore domain authorization after sysprep?

Question

System administration

There was a PC, a person worked behind it. I had to change the motherboard. Run sysprep in oobe mode and shutdown.
About drove the PC, he turned it off, I replaced the motherboard, confused all the rules.
Winda offered to name the PC and create a user. named created.
It turned out I had two newly created accounts and a person account (although the person account was a domain account before).
In general, now I can’t log in under a domain account, there is no such button.
How to return it?

Answer 1

and the computer is entered into the domain?