https://www.securedatarecovery.com/blog/macbook-re...
Гуи не отключаем. После всех шаманст все равно максимум будет так
https://support.apple.com/en-us/102603 - режимы загрузки
What does safe mode do?
Prevents certain software from loading as your Mac starts up. This includes login items and extensions that aren't required by macOS, and fonts that weren't installed by macOS.
Performs a basic check of your startup disk, similar to the more comprehensive check performed by the First Aid feature of Disk Utility.
Clears some system caches, including font caches and the kernel cache. These are automatically created again as needed.