This is probably a fuss about nothing but I like the power on chime. Since update to 11.6.6 (included Big Sur 11.6.6 – 7459.121.3 firmware update), the chime on power does not complete. Just saying.
Mac mini 2018 or later
Go the Apple > System Preferences > Sound > Sound Effects and check "Play sound on startup"
Go the Apple > System Preferences > Sound > Sound Effects and check "Play sound on startup"
You're welcome.
You will need to contact Apple Support
or send Feedback - Mac mini - Apple
and ask for the other 50% back.
The sound does play but only about 50% of it.
Big Sur 11.6.6 update on Mac mini M1 2020 - Boot Chime does not complete
