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Windows 8 has introduced new ways to connect to your computer. In addition to the traditional password-based login, a PIN code and password for user security has been added. In addition, one login per Microsoft email account was introduced in addition to local user login and domain login. We strongly recommend that users enable other connection options on their system. Therefore, you must configure at least one PIN or image password as an alternative option if you need it.
However, some design conflicts may not allow you to connect to your system with a PIN or an image password. For example, if you are in Safe Mode, none of these alternatives work and you will need a traditional password in this case. However, if none of these options are available to you in normal mode, you must correct them. Take a look at this message if you have a problem with PIN registration on the domain being deactivated.
If Windows 10/8.1 does not provide the PIN and password to access the image, there is a security policy setting; you may need to change it.
This method is only available on Windows 10/8; Pro & Enterprise Editions because your operating system must have the Group Policy Editor.
1 Press Windows + R combination, type secpol.msc in the Run dialog box, and press Enter to open the Local Security Policy window.
2 In window left of Navigate in local security policies to Local policies -> Security options.
3 Search the right side of the policy (16) named Interactive connection: Do not show last name. If this policy is set to On, neither Image Password nor PIN is displayed when logging in, except for the last name. Double-click the same policy (16) to get it :
4 Finally, in the window above, select Disabled. Click Apply followed by OK. You can now reboot your system, and if you have already configured the PIN or one Image Password, you can use it when logging in.
Further reading: PIN does not work and does not allow me to sign.
Hope this helps!