How To Fix ‘APFS Disks May Not Be Used As Bootable Install Media’
Format your bootable disk the right way.
Format your bootable disk the right way.
And why is it important to do this?
Apple’s customisation feature is apparently a bug too.
macOS Monterey has a simpler way to reset newer Macs.
Clearing the cache speeds up your Mac and slows it down too!
There’s much more you can do than just trying to restart it.