refresh a password protected dell xps 10

[mdoggy39]

a friend bought this,i just want to reset it, but the user account is password protected and it wont let me. Any idea how to do this?
as far as i know, she bought it online and cant get a hold of the person to get the password from them.
thanks

[Salmon Trout]

A friend? As far as you know? Tell your friend to take it to a Dell outlet with proof of legal ownership. We don't help with cracking.