Windows 10: Stuck at log-in screen (Windows 10)

So I started my computer for the first time in a while and logged in using my pin and saw I had a bunch of updates that needed to take place so I got the updates and restarted my computer. So I tried logging in with my pin and it said my password was incorrect. I tried multiple times and to no avail, I still couldn’t log in. I did the whole “hold shift and click on restart” routine to get to troubleshooting but I still can’t log in. Any help would be much appreciated. Thank you.

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Black Screen after Log on


Computer boots to windows log on,have no password here.After a minute on log on it go to a black screen,stays there forever. I can get to Task Manager from black Screen,lost on what to do next. Just want my Windows 10 back, not sure what caused this problem. Any Suggestion on what my next step should be?*Sad

 

Windows 10 stuck in log in screen. log in screen is not showing.


my log in screen suddenly disappeared. and i am stuck in log in screen. i cannot longer open my PC because log in screen won't show nor the users and password prompt. its just dimming in black.





After i press enter or click or other keys its just dimming in black without user log in and password prompt. and i am stuck.





i attempt to use windows recovery environment or shift + restart key but its not working. winRE not showing. its just normally restarted.
i attempt using bootable USB Drive inserted then restart but nothing happen.

i think the best way for this is reformatting, but i dont know how because i cant log in in desktop and windowsRE are not working too.

im run out of ideas . any ideas to solve this prob? i really appreciate . or any ideas how to force format in lock screen ?
thanks to who will response.

 

Black Screen after Log on

So this is not a BSOD ? Have a Windows 10 disc or USB Flash Drive made ? How are you getting to task manager Ctrl.+Alt+Del ? Any cursor on screen ?