9/27/2023 0 Comments Mac pro efi firmware update 1.2Now, the problem was that manually downloading and running “Mac EFI Security Update 2015-001” failed with: So it seems that firmware updates need to be installed in the order of their release to work. This update requires OS X version 10.8.5 or 10.9.5. Not wanting to sit through an OS reinstallation just for a firmware update, I tried running the installer on the command line. Turns out doing so skips the OS version check, so the installer ran without issue.According to Apple, this EFI Firmware Update fixes several Boot Camp, start up, and wake-from-sleep issues on MacBook Pro computers. With the computer completely off, press and hold the power button on your MacBook Pro until the power indicator light flashes repeatedly, then release the power button the update should begin.Click Shut Down in the MacBook Pro EFI Firmware Update 1.2 window and wait for your computer to fully shut down - even waiting a few minutes to make sure.Launch the MacBook Pro EFI Firmware 1.2 updater application, located in Applications/Utilities after download and installation.Make sure the power cord is connected, then quit all open applications (other than the Finder).Properly applying If you are having problems applying the MacBook Pro EFI Firmware Update 1.2, make sure to follow these instructions exactly: ![]() In the "Security" menu, select "Enable root user," after which you should be prompted for your administrator password.Īfter enabling the root account, logout of your current account.Launch NetInfo Manager, located in /Applications/Utilities folder.Make sure you are logged in as an administrator.To enable the root account, use the following process: If you still cannot apply the update, try logging in as the root user and re-applying. At the login prompt, select "Other." then enter "root" as the user name and the password you set for the account. Once logged into the root account, re-attempt running the firmware update. Once completed, logout of the root user account and back into your normal account. You may want to launch NetInfo Manager again and re-disable the root user account (again, via the "Security" menu) when finished due to security considerations. ![]() ![]() Meanwhile, if your update fails with this error: One more thing to try: Some readers have reported that simply deleting the firmware updater and re-downloading it from the original source results in successful application. Your firmware can not be updated."Īfter the required restart, the issue may be bad or otherwise problematic RAM.
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