How to Turn off Mac Startup Sound


Starting up your MacBook Pro is can be a real problem late at night. If you want to disable Mac startup sound, follow my steps.

Solution:- 

Mac OS X Yosemite or Mavericks does not have build in startup sound control. So download and install 3rd party software – StartupSound.prefPane.

Mac OS X startup sound

Go to “System Preference” and click “Startup Sound”.

Choose “mute” checkbox to turn off the Mac startup sound completely. Its also have a controls to reduce startup chime.

Alternative software for StartupSound software is StartNinja.

SEE ALSO : How to Fix OS X Yosemite Shutdown Problems

Solution:-

Use Terminal to turn off reboot sound.

Open Terminal using Applications > Utilities > Terminal and enter the following command.

sudo nvram SystemAudioVolume=%80

If you want to enable mac startup sound again, enter the following command in terminal.

sudo nvram SystemAudioVolume=%80

SEE ALSO : How to Fix Audio Issues After Upgrading to OS X Yosemite

Temporary solution:

Hold down mute key on Mac keyboard at startup.

SEE ALSO : How to Fix “MacBook Won’t Start up & charger blinking orange”

If you have any other solutions or doubts about stopping or removing boot sound, do let us via comment.

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