I some help with a CMD command prompt that I can do from the line to reset my laptop back to factory default settings erasing al

Question

CMD command

Answer 1

That's not possible by this way, and not ever possible anyway...

unofficial but summarize many windows versions:
https://neosmart.net/wiki/restore-to-factory-settings/

official but covering only window8.1 in this link (you'll have to dive to find other versions -- link to window10 inside):
https://support.microsoft.com/en-us/help/17085/windows-8-restore-refresh-reset-pc