OS X Mavericks: Installer doesn't accept blank admin password
When attempting to install OS X Mavericks, a blank admin password is not accepted; you may be repeatedly prompted to enter your password.
- Open System Preferences, then click User & Groups.
- Select your admin account, then click Change Password.
- Enter a new, non-blank password in the New Password and Verify fields.
- Click Change Password.
- Install Mavericks.
Last Modified: Oct 25, 2013