Your Mac asks you to enter the name and password of an administrator account when it needs to verify that you have permission to make changes. For example, you must authenticate as an administrator when you click the lock in System Preferences, enter certain commands in Terminal, or set a firmware password.
The password of the administrator account should not be blank. Your Mac might not accept a blank password, even if the account is using a blank password.
Jun 16, 2009 You can sit at the comfort of your house and help your friend who can possibly be sitting thousands of miles away (Make sure you have direct internet connection as TeamViewer does not work if it’s behind proxy). TeamViewer is free for personal use, but you’ll have to buy a license if you are using it for commercial purposes. Off late I had a few readers e-mailing a common problem they had with TeamViewer. The common problem was that, even though these visitors were not using TeamViewer. Enter your Mac's password, and select Unlock. Place a checkmark next to TeamViewer and TeamViewerDesktop to allow TeamViewer to control your computer when you're remotely connected. Finally, we need to get your TeamViewer ID, so you'll be able to connect remotely. Select the TeamViewer icon on the top-right of your menu bar, and select Show.
Teamviewer Not Able To Unlock Machine
Learn how to change or reset the password of a macOS user account.