Mac OS - How to disable the startup sound

When you turn on your MAC, during a meeting , lecture or class , the startup sound can be quite an annoyance, especially when the volume of your Mac is set to maximum.

To mute the startup sound of your MAC, you will need a small utility called Startup Sound

  • Download and install: Startup Sound
  • Once installed the new features are available via the System preferences
  • Launch Startup Sound.
  • Check "Turn on startup volume control" .
  • Select the "Mute" checkbox.

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