Boot up your Mac, and you should not see the firmware lock again.ĭisable the Password With Firmware Password Utility.Remove the battery again, and reinsert the RAM module.Release the keys and shut down the computer.Wait for the chime to sound three times.Put the battery in, and boot your computer while holding the Command + Option + P + R keys to reset the parameter RAM.Locate your RAM, remove one of the RAM modules and put it aside.
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