Win10 system prompts "solution is offline" solution

  

Cause analysis:
It should be when you shut down before, you are using a Microsoft account that requires network authentication to log in. Now it is just not connected, so you are prompted to use the password you used before to verify.
Solution:
1. Log in using the Microsoft account password.
PS: If it is a broadband connection user and forgets the previous password, it is recommended to log in on the Internet with a router.

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