Get Back the Mac Startup Chime

The latest version of Catalina seems to respond to a new Terminal command to bring back the startup chime in at least some Mac models from 2017 or newer. Use sudo nvram StartupMute=%00 to get it back and sudo nvram StartupMute=%01 to turn it off again.

Comments: 2 Responses to “Get Back the Mac Startup Chime”

    Mike Sturgeon
    5 years ago

    I've been hoping for this,thanks!

    Dirk H
    5 years ago

    Now if I could just make it quieter- it's fairly loud

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