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I have read that in order to boot to an external disk in Monterey, you need to shut down, and then hold down the power button, wherin you see all the boot disk options. I do that, and nothing happens. Why? The only way I am able to change the boot disk is System Preferences>Startup Disk>restart, which means you have to start out with a bootable disk.
iMac, OS X 10.11
Sorry, silicon M1 2021 iMac. My understanding is "option" is for the older models. Um, what is T2?
Not important if you have an M1.
"On a Mac with Apple silicon: Press and hold the power button until “Loading startup options” appears."
Except it doesn't.
Did you shutdown your Mac, or did you restart? It is designed to prevent remote access to One True Recovery by requiring you get there from shutdown.
Sorry, silicon M1 2021 iMac. My understanding is "option" is for the older models. Um, what is T2?
Not important if you have an M1.
"On a Mac with Apple silicon: Press and hold the power button until “Loading startup options” appears."
Except it doesn't.
Did you shutdown your Mac, or did you restart? It is designed to prevent remote access to One True Recovery by requiring you get there from shutdown.
It is not Monterey that changes the requirements. It is the hardware of the Mac.
For a Mac with a T2 chip, you must enable external boot prior to needing it.
About Startup Security Utility on a Mac with the Apple T2 Security Chip - Apple Support
For Apple Silicon, that is not required, but getting to the startup manager requires going through Options.
Change your Mac startup disk - Apple Support
Sorry, silicon M1 2021 iMac. My understanding is "option" is for the older models. Um, what is T2?
"On a Mac with Apple silicon: Press and hold the power button until “Loading startup options” appears."
Except it doesn't.
OK, now it works. I'm sure I was doing this from full shutdown, but this time I waited a full 30 seconds after shutdown to press and hold the Power On button. There is some snarkiness about it. Thank you.
You need to hold the option key when restarting. Not the power button.
I should have asked, do you have an Intel iMac or an Apple Silicon iMac?
boot external in Monterey?
