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Re:Mac Chimes of Death by kristofferR on Friday April 16, 2021 @03:04AM (#26830517)
It's pretty easy. System Preferences - Sound, it's right there.

https://support.apple.com/en-us/HT211996

Re:Mac Chimes of Death by chipotle_coyote on Friday April 16, 2021 @03:45AM (#26830807)
Well, it's there now. :) Notice that article says "With macOS Big Sur 11 or later..."; that checkbox they show for the startup sound isn't available in earlier versions.

There is, however, a hidden "StartupMute" preference. If StartupMute is enabled, the chime is turned off, and vice-versa.

    sudo nvram StartupMute=%00   # turn on the startup chime
    sudo nvram StartupMute=%01   # turn off the startup chime
https://eclecticlight.co/2020/02/22/how-to-enable-the-startu...
Re:Mac Chimes of Death by kstenerud on Friday April 16, 2021 @04:28AM (#26831153)
Ah perfect! Thanks!!!