Windows 10: Can't reset computer with recovery option (F11) or restore this

Hi. My brother has a problem with his W10 computer because of an update. His computer restart in loop saying with a black screen "cancelling changes made to your computer. When he uses F11, Windows asks for his Microsoft account's password (which is correct) but the computer said "password incorrect". He also tried to reset his computer but he can't. He tried to connect an ethernet cable to his computer and he can see the password he types, but it doesn't help. What to do, please ?

submitted by /u/firefliesdies
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:)

 

F11 recovery screen

After some windows updates and a failed update, Computer starts in F11 recovery.

I didn't do this!

Any suggestions, I have been able only once to get back into windows, but now bit just keeps loading at start up with F11 recovery.

I have tried to run trouble shooter but unable to fix

 

How does Windows boot to advanced recovery option e.g. command prompt?

- that gives me a 454 'Unexpected error' This tells me that the BCD is partially corrupted.

The commands: shutdown.exe /r /o /f /t 00
or: %SystemRoot%\System32\Cmd.exe /c reagentc /boottore&shutdown /r /f /t 00
should boot into Recovery if everything is configured correctly.
FYI, If Windows is configured correctly:

1. If Reagentc is disabled, you still can get into Recovery but with limited options.
2. If Reagentc is enabled, you'll get all options.
3. If you boot Windows using Recovery USB stick, You'll get into Recovery with couple of options missing.

Here's my suggestion if you want to try:
OPTION 1: Will save the trouble of re-install Windows.

1. Download the image of my first 3 partitions (450MB Recovery, 100 MB EFI partition, and 16MB unformatted primary)
   EFI_Boot-00-00.7z - Google Drive
2. Run Macrium and restore the image from step 1, overwriting your existing 1st three partitions, leaving C alone.
3. Delete the 490MB Recovery partition.
4. From Macrium, run fix boot problems.
5. Reboot. Open Admin command prompt then run Reagentc /info to make sure that it is enabled. If not, enable it.
   if failed to enable, reboot and try again.

OPTION 2: Assuming you've already had Windows backup with Macrium.

1. Wipe out the first 5 parttiions. (450MB, 100MB, 16MB, C Drive, 480MB)
2. Fresh install Windows 10
3. Restore C drive from backup image, run fix boot problems
4. repeat step 5 from OPTION 1 above.

 

F11 system recovery makes me go to Windows defender offline

Hi,

Since you were not able to perform a reset on your Windows 10 computer using F11, you may follow the steps provided on the link below on how to properly reset your computer:

Recovery options in Windows 10

Let us know if you need further assistance.

Thank you.