How to Recover a Lost EFI Firmware Password on a Mac Pro
The firmware of a MacBook Pro computer uses Extensible Firmware Interface or EFI technology. Your computer is configured with Firmware Password Protection that requires you to enter a password before installing programs onto your computer. This prevents harmful programs from being installed onto your system. If you lost your EFI firmware password, you can recover it through an Apple Retail Store or Authorized Service Provider.
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Instructions
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Schedule a service appointment with an Apple Retail Store or Apple Authorized Service Provider.
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Bring your Mac Pro to the Apple store location on the scheduled service date.
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Pay the fee for the password recovery. If your computer is under warranty, the fee may be waived.
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