![]() ![]() * if problem reasing the EFI updater files, then you will be sent back immediately to the regular boot OS X startup screen. * let go of power button, progress bar should have started going (and lasts for about 2-5 minutes) ![]() * from POWER OFF, press and hold power button until light starts flashing and you will hear a loud speaker sound Janitors-Mac-mini:~ id$ sudo bless -mount / -firmware /System/Library/CoreServices/Firmware\ Updates/EFIUpdaterApp.efi -payload /System/Library/CoreServices/Firmware\ Updates/LOCKED_MM11_0055_08B.fd -options "-x efi-apple-payload0-data" -verboseĢ : * relax the file permissions, (world-readable) so the files can be seen at boot-timeĬhmod -R 777 "/System/Library/CoreServices/Firmware Updates/*" Janitors-Mac-mini:~ id$ cd "/System/Library/CoreServices/Firmware Updates" Janitors-Mac-mini:~ id$ open "/System/Library/CoreServices/Firmware Updates" * Download the specially modified EFI files from Mediafile (Archive.zip) For the best guide, use search keyword: chmod. ![]()
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