.osx: Really disable sound effects on boot on 10.9. #290

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SystemAudioVolume=' ' didn't worked for me (10.9.0, retina late 2013). This one does

paulmillr added some commits Nov 25, 2013

Tatsh commented Nov 25, 2013

I cannot never tell if it works. I forget if I turned down volume before rebooting. So far I haven't heard the chime in a while. The major thing is to add a hook on shut-down to mute but I'm pretty sure SystemAudioVolume=.. does not work. This is on a new 15" Retina (2013).

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mathiasbynens commented Nov 26, 2013

Some more info: http://forums.appleinsider.com/t/156990/how-to-boot-silently#post_2311051

The best way I find is to run the following command in the terminal, which seems to put it on the quietest setting:

sudo nvram SystemAudioVolume=" "

That's a space between the double quotes. Some people suggest different values to disable it like the following but the space is the only value I get to work consistently:

sudo nvram SystemAudioVolume="%80"
sudo nvram SystemAudioVolume="%00"

It would be nice if it just accepted integers e.g 0-3. To reset it, you can either reset the PRAM with command-option-p-r at boot or with the following:

sudo nvram -d SystemAudioVolume

I've noticed that sometimes plugging in and unplugging earphones resets it, which could be why people have made preference panes etc but try it and see. I don't mind the noise being separate from the audio system but there's no need for Apple to make it so loud.

sloria commented May 17, 2014

I am running Mac OSX 10.9.3 on a new Macbook Air (released April 2014) and haven't been able to successfully disable the chime.

# neither of these work
sudo nvram SystemAudioVolume=" "
sudo nvram SystemAudioVolume=0
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mathiasbynens commented Jun 7, 2014

Neither solution seems to work consistently. Maybe it’s better to just remove this from .osx altogether?

agh referenced this pull request in aeode-cookbooks/osx Nov 4, 2014

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Do we chime on the system booting up? #9

@swinstanley swinstanley pushed a commit to swinstanley/dotfiles that referenced this pull request May 25, 2015

@skwp skwp Merge pull request #290 from skwp/iterm2_solarized_autoinstall
Add autoinstall of Solarized iTerm2 themes
6f17f40
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