How To Enable The Classic Mac Startup Chime

Donnnnnng. The classic Mac chime is a glorious way to let yourself know that your Mac is booting back up after a shutdown or reboot. But if I’m right, this friendly noise has been missing most new Macs for years. (I only have a MacBook Pro, and I can confirm that booting my MacBook has been boring and quiet for as long as I can remember.)

If you miss the classic Mac boot sound—ah, nostalgia—you can get it back in less time than it probably takes your Mac to boot, period. I haven’t tested this trick on any other Macs, and I believe it only works if your Mac has a T1 or T2 chip on the inside. However, it’s such a short process, that it doesn’t hurt to give it a shot regardless.

To get started, pull up your Terminal. Once that loads, enter the following:

sudo nvram StartupMute=%00

Hit Enter, type in your Mac’s password, unmute or turn up your Mac’s volume to a reasonable level, and restart your laptop or desktop. You should now hear the old familiar donnnnng when your system boots up. If not, you’re out of luck.

If you ever get sick of the startup sound, you can simply reset your PRAM to disable it or go back to the Terminal and enter the following:

sudo nvram StartupMute=%01 

[Mr. Macintosh]

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