Secure Boot: MacBook Pro (15-inch, 2018)
I'm just setting up a new Mac. I wanted to test external booting and realised the A2 in my new Mac makes this a little more complicated to set up.
Will you be writing a guide to how we are supposed to set this up? I'm somewhat nervous tinkering with this in case I leave my machine unbootable! |
No real trick here. You have to enable booting from external devices in the security preferences in Recovery (Cmd+R during power on; look in the Apple menu once you're in Recovery.)
But apart from that, it'll all work as you're used to. Your backup is still a valid OS and secure boot will be fine. Note that I do suggest formatting your backup drive as APFS. |
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Might have been incorrectly partitioned as HFS+? Anyway, APFS is preferred, yes. :)
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