I know there are some possible duplicates. But the questions are not solved. Such as: Copy Crucial SSD Firmware Update ISO to Bootable USB I am trying to upgrade the firmware of my SSD (crucial m500) ...
Trapped: MacBook always shuts down during EFI SMC Update 1.8. Can't boot. How to remove updater from boot routine?
MacBook Pro i7 Mid-2012 (MacBookPro9,2) running Mac OS X 10.8.5: Downloaded the "offered" EFI SMC Update 1.8 through the AppStore Updates. MacBook restarted, grey progress bar appears w/ spinning ...
I allowed AppStore to apply the newest firmware update to my MacBook Pro, which seemed to work fine, until the final restart. At this point, the machine just shut down. I waited for quite a while, ...
We use external FW/USB drives as portable diagnostic and installers and even though the partitions are named and have a custom icon, they show up as "Mac OS X" with a generic USB/FW icon when option ...