Windows 10: Find Computer Name At Ctrl-Alt-Del Logon Screen

To find the computer name of a Windows 10 domain workstation at the Ctrl-Alt-Del logon screen:

Click Other user

Type .\ in the Username field and the computer name will be displayed instead of the domain.

User name: .\
Password:
Sign in to: COMPUTERNAME

Alternatively:

• Click Other user
• Click How do I sign in to another domain?

The computer name is displayed within the message text:

Type COMPUTERNAME\local username to sign in to this PC only (not a domain).