Shortcut keys/method on Mac OS X High Sierra v. 10.13.3 to switch from displaying login screen as List of users to using logging on using Name and password

What are the shortcut keys or method that can be used on Mac OS X  High Sierra v. 10.13.3 computer to switch from displaying the standard Mac login screen (which displays the usernames & their icons as a list of users to logging on using a User Name and password (so a user can login with an Active Directory account)?

This is something that needs to be done before logging onto the Mac.

The option to display the login windows as: Name and password (instead of list of users) has already been selected (see the screenshot).

For whatever reason when this computer powers up it displays the logins as the list of users. These users are local administrator accounts that only IT should have access to; we don't want the users using or accessing local accounts. The users should only login using their Active Directory usernames and passwords.

So what are the shortcut keys or method that can be used on Mac OS X  High Sierra v. 10.13.3 computer to switch from displaying the standard Mac login screen (which displays the usernames & their icons as a list of users to logging on using a User Name and password (so a user can login with an Active Directory account)?

Let me know if any further information is needed.

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IT GuyNetwork EngineerAsked:
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serialbandCommented:
That is the correct setting.  If you have not enabled filevault, then you should get a login window where you have to enter a user name and password.  If you have enabled filevault, then, unfortunately, the filevault login window reverts to the list of users that are allowed to unlock the disk.  There is no way to overcome the filevault login screen.

If you have filevault, the only other way is to not allow your admin accounts to unlock the filevault encryption and use the filevault key as the decryption method.  This will have filevault only display the user account as the filevault decryption account.  When you use the filevault key, it should get you to the secondary login window.  Another method is to create another standard account to decrypt the disk first.  Once the disk is decrypted you can log out and switch to the admin user.

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