Open Firmware: Password Not Recognized When It Contains the Letter "U"

If you used Open Firmware Password utility to create a password that contains the capital letter "U", your password will not be recognized during the startup process (when you try to access Startup Manager, for example).

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Your Open Firmware password is not recognized during startup.


Don't use a capital letter "U" when setting up an Open Firmware password. Change your password if necessary.

For more information, see technical document 106482, "Mac OS X 10.1, 10.2: How to Set Up Open Firmware Password Protection".

Published Date: Oct 7, 2016