Macbook pro efi firmware update 2.6 software#
Macbook pro efi firmware update 2.6 download#
Macbook pro efi firmware update 2.6 mac#

I think it was the -recovery part that made it finally work, but I also did a couple of other things with unknown effect: In order to get to this point I had to disassemble the firmware update app downloaded in step 1 to get the command in step 3. Your EFI firmware should be flashed! Launch 'System Information.app' to check that 'Boot ROM Installed' sort of matches the name of the.

If you don't get that then something went wrong. I heard an angry beep and then there was a gray Apple screen with a progress bar. Removing the -recovery option makes the next step not happen.

This would only work for me on an internal hard drive, because an external drive 'wasn't acceptable for a recovery drive' or whatever.

The -verbose option should let you know about any errors.

For another version you would need to change the file name to whatever it is in the package you downloaded from Apple.

Macbook pro efi firmware update 2.6 software#

Note: This command is for version 1.6. Apple has released a couple of EFI and software updates for the new 2011 MacBook Pro and iMac systems that tackle graphics bugs and issues with the Thunderbolt I/O technology.

I am not responsible for you turning your computer into something else not a computer anymore. You are responsible for making sure this firmware will work on your computer. This update improves system reliability during reboot, resolves an issue with memory self-test, and improves graphics power management when using Boot Camp.

Macbook pro efi firmware update 2.6 mac#

You are responsible for making sure your computer is connected to a reliable power source and that the update will not be interrupted. Mac Pro EFI Firmware Update v2.0 This update is recommended for all Mac Pro (Late 2013) models. WARNING: This bypasses ALL of the safety checks built into the app.Update.app/Contents/Resources/MBP51_0074_01B_LOCKED.scap' -recovery usr/sbin/bless -mount / -firmware '/Applications/Utilities/MacBook Now comes the magical part: open a terminal window and run the following command (all one line): Move the app 'MacBookProFirmwareUpdate/Applications/Utilities/MacBook Pro EFI Update.app' to '/Applications/Utilities/' (where your calculator app etc. When you extract the contents using unpkg you will end up with a folder 'MacBookProFirmwareUpdate/Applications'. The best way I found to do this is with the app unpkg. Since it won't extract for you unless your computer needs the update, you will have to extract it yourself. The EFI firmware update 1.6 comes as a.This isn't my experience but it would probably brick your computer, meaning it will change from being a computer that can compute things to being a brick that just sits there. WARNING! If you use the wrong firmware for you computer, bad things will almost certainly happen.Here is the link I used for firmware version 1.6 for my late-2008 MacbookPro5,1:

Macbook pro efi firmware update 2.6 download#

Download the EFI firmware update package from Apple.However I'm going to reproduce my steps here so that the whole world can know what it takes: Unfortunately that didn't make my hard drive work. I finally managed to successfully downgrade the EFI firmware to version 1.6.