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Helpful answers
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Nov 20, 2014 11:39 AM in response to quantsuffby quantsuff,On the other hand the command
sudo nvram SystemAudioVolume=%80
(from another post in this thread)
did work on a MacBookPro Retina, 15-inch, Late 2013,
running Mavericks 10.9.5
Here's what it looks like:
Before:
$ sudo nvram -p | grep AudioVol
SystemAudioVolume ]
SystemAudioVolumeDB %ef
Ran command:
$ sudo nvram SystemAudioVolume=%80
after:
$ sudo nvram -p | grep AudioVol
SystemAudioVolume %80
SystemAudioVolumeDB %80
to re-enable the system chime:
sudo nvram -d SystemAudioVolume
%80 hex = 128 decimal, fwiw
more fun reading: $ man nvram
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Nov 30, 2014 11:30 AM in response to darksouljpby S.DeHaven,@
X423424X: How dare you? Where do you get the audacity to tell a user, a CUSTOMER, that what they want is wrong? It's this kind of "superior" attitude that makes me hate everything Apple produces. I guarantee my next computer* will be a PC. At least they know the old adage, "The customer is always right." Yet every time a Mac user asks how to do something, the response takes the form, "Why would you want to do THAT?" Arrogance!
*And my next computer may come sooner than the normal lifespan of a Mac, after I take this benighted device to the nearest pistol range and use the Apple logo for target practice!
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Nov 30, 2014 12:17 PM in response to S.DeHavenby K Shaffer,You are addressing a user-to-user discussions area and not Apple Inc.
New to the community? Start here.
"This site contains user submitted content, comments and opinions and is for informational
purposes only. Apple disclaims any and all liability for the acts, omissions and conduct of
any third parties in connection with or related to your use of the site. All postings and use
of the content on this site are subject to the Apple Support Communities Terms of Use..."
In any event...
Good luck & happy computing!
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Dec 1, 2014 4:24 PM in response to K Shafferby Nomiun88,On Monday, December 1, 2014, Apple Support Communities Updates <
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Dec 17, 2014 6:15 PM in response to kuhakby silate,Thank you kuhak it really works! compatible in Yosemite 10.10.1
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Dec 19, 2014 9:56 AM in response to silateby lonestarry,Kuhak's suggestion does not work for me using Yosemite 10.0.1 It did work using older Mavericks. So far no Yosemite solution has been provided that I know of.
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Dec 31, 2014 7:48 PM in response to imicanadaby Kaihsu,This needs to be fixed by Apple. Holding down the mute key while starting up should always be a way to avoid the startup chime for all Macs. You might be in a hostile, life-or-death situation and wish to turn on your Mac without attracting unwanted attention, or simply do not wish to wake up your roommate.
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Dec 31, 2014 11:10 PM in response to Kaihsuby K Shaffer,Another thing to have on-hand, to mute the noise factor on startup,
is just a mini-plug that fits the headphone socket. If expected to be
in a life-or-death situation, keep the mini-plug stored in the computer
headphone port so it would switch the speakers off. Without a need
to have actual headphones attached. {And hope the in-port switch that
turns off the speakers, does not fail in what would be a mute position
without a plug in the socket at some later time.} A trade-off. I just mute
mine on shut-down; & seldom actually turn off my computers at home.
In any event... happy new year!
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Jan 2, 2015 11:05 AM in response to K Shafferby lonestarry,I mute mine on shut down and upon booting the chime is still enabled. Also the mini-plug option does not work when an external display is connected prior to booting.
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Jan 22, 2015 12:21 AM in response to gotham1by Consternate,Running
sudo nvram SystemAudioVolume="%80"
used to work for me also on Yosemite until this morning, when for no visible reason, it stopped working. I know other people who also experience this. It's unbelievable that Apple – prizing itself for great user interfaces – still couldn't think of an obvious alternative (like flashing a light), making their laptops useless in quiet places. I find it so hard to believe someone could be this stupid.
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Jan 22, 2015 7:06 AM in response to robdarkoby gotham1,A headphone plugged in or the Mute button - does not work on Mavericks.
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Jan 22, 2015 7:11 AM in response to bedtimewarriorby gotham1,This does not work, nor never did on my imac running Mavericks.
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Jan 22, 2015 7:54 AM in response to K Shafferby gotham1,Hi there Shaffer & Folks & Apple (if customer service reads this and cares):
Regarding Stopping the Start-up Blaring Noise:
The headphone/jack plugged in doesn't work nor does holding down the mute button - it's never worked on any mac that I've had.
Also, It's good and recommended to fully turn off any computer/cell phone on random occasions - plus it's greener for our world.
Do folks leave their car, microwave or TV turned on when not using?
Do you turn on your car & the horn gives a blast? (just to tell Everyone all is in working order) - - It's Ludicrous.
The excuse Apple gives for the start-up noise is ridiculous - no other machine does this.
That one code posted here does not work on Mavericks & Yosemite on any macs. ($ sudo nvram SystemAudioVolume=%80)
The loud blaring noise (it's hardly a pleasant 'chime') is location & sound problematic (work, labs, libraries, school, etc)
to just unpleasant - - - Not giving customers a choice = Apple being a deaf, self absorbed dictator.
I'm tired of people giving me dirty looks, barbed comments about the blaring noise - - it's unnecessary noise pollution.
Pardon the rant but as customers we need a choice and have been asking for years.