Windows 10: How to unlock my laptop

After removing my details from my Surface Pro 4 prior to sale using procedures on this site, I am now locked out and can't get back in to Windows. The log-in page still shows my name and password box but my MS account password, my Windows password or my PIN does not allow be back in to finish the job of removing my name. What do I do now?

:)

 

Best laptop under $800??

Well the last one I suggested seems to be the best for 650$

EDIT: to facilitate your search...

Laptop GFX benchmark list

Laptop CPU Benchmark list

 

Unlocked Realtek HD Audio Drivers Windows 7 & 8 (With Dolby Digital Live and DTS Interactive)

DTS supported natively by Windows 8/8.1 and it should work on windows 10 too just DDL require to unlock your driver .

 

DNA ad unlocker

Are you sure it's called DNA ad unlocker and not DNS Unlocker? If the latter......................

Follow the steps here.

https://malwaretips.com/blogs/ads-by-dns-unlocker-removal/

If it is not listed in the Control Panel, or it can't be removed there, move on to step 2. HitmanPro might not be needed.