6/29/2023 0 Comments 2006 mac mini ram upgradePower off the system via the power button. If successful, you should experience for kind of screen / video corruption. System will reboot automatically after completing the EFI update. Remember to CHMOD 777 both the updater files you copied to System so they're world-readable by any boot-time unix system user ids.If there is a problem reading the EFI updater files, then you will be sent back immediately to the regular boot OS X startup screen. Let go of power button, and progress bar should have started, lasting for about 2-5 minutes. = EFI found at IODeviceTree:/efi Aggregate boot path is GPT detected Booter partition required at index 3 System partition found Booter partition found Returning booter information dictionary: Executing "/sbin/umount" Returned 0įrom power off, press and hold power button until light starts flashing and hear a loud speaker sound.
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