Hi. My name is***** you for your question and the opportunity to assist.
This is an unusual happening but we can try to find out what's going on.
From your login screen, hold down and keep holding the Shift key,
click the Power icon in the lower right corner (far right) and select Restart.
Keep the Shift key down until the Choose an Options page comes up.
Click Advanced Options
Click System Restore
You're going to be asked to choose an account. I'm just interested in which account shows up on that screen.
Your old one or your new one, or both.
Hi my name is ***** ***** I will be the expert working with you today to help and resolve the problem you have posted.I am sorry to hear that you are having such trouble. I will try my best to help you out and resolve the problem as quick as possible.
check you microsoft account and reset the password ***** that you can try using the user account and the password.
Use another computer and then open the given link to reset the Microsoft account once done then you try on the problem computer.