MacBook Air (Late 2010) and MacBook Pro (Early 2011): Recovering a lost firmware password(情報元のブックマーク数)

へぇ、Mac Book AirMac Book Proのファームウエアを忘れたらApple Storeに持っていくしかないんだね。

Only Apple retail stores or Apple Authorized Service Providers can unlock a MacBook Air (Late 2010) or MacBook Pro (Early 2011) protected by a firmware password.
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. If you plan to visit an Apple Retail store please make a reservation at the Genius Bar using http://www.apple.com/retail/geniusbar/ (available in some countries only)

How to set a firmware password on your Mac - Apple Support

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