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Discussion in 'OS X Mavericks (10.9)' started by nyroger, Apr 13, 2014.
Is there a way to establish a new password when the old password is not known?
Yes, there are a few - how you do it depends on a couple things.
If you have FileVault enabled (disk encryption), then you'll need your FileVault recovery key. If you don't have that, and you selected the option to send it to Apple, you can call Apple support and they'll retrieve it for you after verifying your identity.
If FileVault is on and you don't have your recovery key, and didn't send it to Apple - erase the hard drive & reinstall OS X from scratch, you're out of options.
If you don't have FileVault, there are a couple of possibilities. If you enabled the option for "Allow user to reset password using Apple ID" (which you can see - but not change - in System Preferences > Users & Groups), then click Apple menu > Log Out, then at the login window click the question mark in the password field, and then the arrow in the dialog that appears to go to the reset page.
If no FileVault, and "Allow user to reset password using Apple ID" was not enabled, then you'll need to boot to the Recovery Partition and follow these instructions.