Using the the Apple ID approach on boot is typically the easiest for modern Macs.ġ: Try to Reset or Disable with Firmware Password Utility If the password you’re having trouble remembering is a general Mac login or administrator password, you can reset it with these instructions instead. The Mac firmware password screen, that you forgot the password for The firmware password appears immediately upon boot and is a gray locked icon, looking like this: If all else fails, Apple can possibly help you too.ĭo note that a firmware password is not the same as an administrator password or the general computer password used to login to a Mac. Nonetheless, if you wind up in a situation where you or another user has forgotten a low level firmware password on a Mac, don’t panic, because you may be able to recover the password or bypass it using one of the methods outlined below. While these low level passwords are quite secure, but that higher security also means a forgotten firmware password can be a significant problem. Users who require higher than usual security measures often set a firmware password on a Mac, which requires that a password be entered before the typical OS X boot sequence begins. Ready to become a MacOS Pro? Here are some tips that will help make you one.First I would notify eBay that it is a locked machine. Once you have your Mac reset, you can return it, sell it to someone or set it up again with a clean slate. (Note that I haven't tested the latter, since the former worked for me.) You can connect it to another Mac and follow the process described in this StackExchange thread or delete the partition from your iPhone as instructed in this Reddit comment.
If it is freezing, you need to try accessing it from a second device.
This comes from an old thread in Apple's forums. If the system isn't freezing, try rebooting into Recovery Mode again, launch Terminal, type " resetpassword" at the command line, choose the Reset Password option, then launch the Recovery Assistant from the menu bar and select Erase Mac or use Disk Utility to delete the Data partition as in the previous note. Basically, this happens because MacOS is looking for account information in a place where it no longer exists. I was unable to create a new user account after reinstalling MacOS: The MacBook Pro would freeze when I tried to create the default user account.
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