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mac 起動音を消す方法 ~コマンドを実行して起動音のみ消す~

Last updated at Posted at 2019-11-01

目的

  • コマンドラインからのmacの起動音の消し方を知る。
  • macの起動音のみを消したい時の方法を書く。

実施環境

  • OS: macOS High Sierra 10.13.6
  • 機種: MacBook Pro (15-inch, Early 2011)
  • CPU: Intel(R) Core(TM) i7-2675QM CPU @ 2.20GHz

実施方法

  1. ターミナルを開いて下記コマンドを実行する。
    ※実施後は音が出る設定にして再起動などを行い起動音が鳴らないか試した方が良い。

    sudo nvram SystemAudioVolume=%80
    
  2. 上記の設定にしてしまってやっぱり起動音鳴らしたいと思った時は下記コマンドを実行する。

    sudo nvram -d SystemAudioVolume
    
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