![]() I have success getting the firmware updater to work and the efi update to mount on the desktop and accept. I have a serious issue trying to update from 4.1 to 5.1 In Recovery mode, click on "Utilities" and select Terminal Restart your 2009 Mac Pro holding Command + R (you will restart into Recovery Mode)ġ3. ![]() Once shut down, hold the Power Button until you hear a tone, and let go.ġ2. Once it is mounted on desktop, Run Mac Pro 2009-2010 Firmware toolġ1. Once restarted, Double click (mount) MacProEFIUpdate.dmgĩ. In Recovery mode, click on "Utilities" and select TerminalĨ. Restart your 2009 Mac Pro holding Command + R (you will restart into Recovery Mode)Ĥ. Download firmware for Mac Pro 5.1 (MacProEFIUpdate.dmg)ģ. Download Mac Pro 2009-2010 Firmware toolĢ. You need to disable it in order to update the firmware. ![]() In El Capitan, Apple has enabled System Integrity Protection.
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