Windows 10: How can I unlock my laptop after I accidentally used Lock My Device?!

I accidentally used the Microsoft Lock my Device on my laptop, and now on the Login screen when I enter my pin I get a message that the Lock needs to be turned off by the Administrator. Thus is a stand-alone personal computer. How do I unlock it? Help! Thanks!

:)

 

Why Microsoft locked out my new Laptop?


Certain Dell laptops intended for the business market have a BIOS security lock that can sometimes accidentally activate. If this is the case then you will need to contact Dell directly with the Device ID of the Laptop, and proof of purchase, as the password is automatically generated by the laptop is unique to the device, and the software to unlock the password is only available to Dell staff.

If it is a password after windows has started this should be listed in the documentation with the laptop, If not, you will need to contact the vendor

 

Am trying to unlock a remotely locked device

My mother - lives on the west coast and I am on the east coast - accidentally remotely locked her computer. Now it indicates that it requires an administrator to logon first to unlock it. However, despite resetting the Microsoft account password multiple
times, etc. she can't get into her computer. I can remotely lock the computer -- can see it on the list of devices -- but can't unlock it. She is elderly, not that computer savvy, and has limited access to any transportation that could take her to Best Buy
or some other professional help. Am trying to help via phone and cell phone... but have not been able to help her get into her computer.

 

Accidentally 'Locked' my own Dell Laptop

That's it. I accidentally clicked to lock my own laptop via MS account, thinking it was someone else's laptop.

So, there is no unlock button.

When I try to put my pin on that laptop, it says that the administrator has to login first.

I tried to remove that laptop from MS account, then to register it again. With my laptop series number, it says it doesn't find it.

I cannot understand how is it possible that there is a button to lock a device, via Microsoft account, without an unlock button, or a clear message stating that once you did it, there's no way back.

I even tried to restore my laptop via BIOs to Factory Default, but apparently it DOES NOT disconnect from microsoft login, so it still asks for some administrator, which is myself, on that laptop, locked.

What am I missing here?