With CheckM8 Mac EFI unlock service, you will gain full access to all macOS features, utilities, disk, computer. Even if you were not the person who activated the EFI macOS protection, you could still use the computer without entering the correct password. How to Use Mac EFI Unlock Service to Remove Password on Mac?ĭo not worry that you cannot restore a macOS device with enabled EFI firmware passcode because you forgot it. During such a recovery, users often come face to face with the protection through the EFI firmware password.ĭownload The problem comes when a user wishes to reinstall the operating system on a Mac computer, erase the hard disk, repair, or restore the device using Time Machine. Users choose to enable the EFI password on T2 computers to protect their devices from untrusted firmware loads during startup.
UEFI stands for Unified Extensible Firmware Interface. Every time a macOS device boots, it uses the Extensible Firmware Interface right before booting.Īs your computer is booting, it uses the memory-mapped from the T2 security chip to fetch the UEFI firmware.
This system partition also includes your hardware's driver files. Your computer's operating system bootloader is contained in the EFI. By this abbreviation, you can guess that the EFI firmware passcode is not the same thing as your regular computer password used for logging in or Mac Activation Lock.
I presume this is not possible because the MacBook Air has no user-removable parts (since RAM is soldered to the motherboard, for example) but it is not clear what alternatives exist.Īpple probably require all those in the know to keep it to themselves, but no doubt some hacker has figured it out.What Is EFI firmware password protection on Apple T2 security Chip?īefore you use Mac EFI unlock service, you should learn what EFI is and how this passcode protection works on Apple devices with the T2 security chip.ĮFI stands for the Extensible Firmware Interface. amount of installed RAM) and then reset PRAM three times to force a reset of the firmware password. With older models, one needed only to change the hardware configuration (e.g. I'm quite comfortable opening up my laptop, even if it voids my warranty, but cannot find any information on how the reset is performed. What do such engineers do to recover or reset the firmware password? I long ago forgot my MacBook Air's firmware password, but haven't needed it until now. If you plan to visit an Apple Retail store please make a reservation at the Genius Bar using (available in some countries only). If you cannot remember the firmware password for your MacBook Air, schedule a service appointment with either an Apple Retail Store or an Apple Authorized Service Provider. Only Apple retail stores or Apple Authorized Service Providers can unlock these computers protected by a firmware password.
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