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macos - Disable OS X startup sound - Ask Different
https://apple.stackexchange.com/questions/168092/disable-os-x-startup-sound#:~:text=Try%20this%20in%20Terminal%3A%20sudo%20nvram%20SystemAudioVolume%3D%22%2501%22%20then,out%20the%20chord%20completely%20on%20my%20Yosemite%20Mac.
SystemAudioVolume not working in Yosemite · Issue …
https://github.com/mathiasbynens/dotfiles/issues/517
Disabling the startup chime has stopped working with Yosemite, I'm afraid. Or at least I can't make it work. Running sudo nvram SystemAudioVolume=" "works as expected since the new value is reflected in sudo nvram -p.However, upon reboot, the startup chime comes to greet me as usual.
OS X Yosemite: How to take charge of Mac startups ...
https://www.computerworld.com/article/2868812/os-x-yosemite-how-to-take-charge-of-mac-startups.html
OS X Yosemite: How to take charge of Mac startups Even startups can be productive. ... sudo nvram SystemAudioVolume=%80. To activate the chime in Terminal: sudo nvram –d SystemAudioVolume.
How to disable boot chime in Yosemite? - Apple Community
https://discussions.apple.com/thread/6678691
I'm trying to disable the boot chime in Yosemite. Previously I was able to do this by way of a terminal command (sudo nvram SystemAudioVolume=%80) but this doesn't seem to work in Yosemite. I know why the boot chime is useful and why I should just mute my speakers before shutting down, but I just want it disabled once and for all.
Audio out issues on Yosemite - Apple Community
https://discussions.apple.com/thread/6619432
Reset SMC. Repair File Permissions using Disk Repair Utility. Open Utilities > Audio MIDI Setup toggle left hand option from "Built-in Line Output" to Built-in Output and back to Built-in Line Output. Reboot. This works 100% of the time, we have fixed all our Mac Pros on Yosemite and the problem has not come back.
How to Fix OS X Yosemite Audio Issues - TechJunkie
https://www.techjunkie.com/how-to-fix-os-x-yosemite-audio-issues/
How to Fix OS X Yosemite Audio Issues . When you start using OS X Yosemite for the first time, you may think that OS X Yosemite volume sound not working. There have been many complaints by Apple users that after upgrading to OS X Yosemite audio issues like no audio, audio control not working and audio noise.
How to disable the startup tone on your Mac
https://www.idownloadblog.com/2016/09/12/how-to-disable-the-startup-tone-on-your-mac/
sudo nvram SystemAudioVolume=%01. Post-OS X Yosemite steps. Unfortunately on OS X Yosemite and later, Apple has made it a real pain to disable the start-up tone. Using the nvram command in Terminal no longer produces the expected results.
Yosemite Guide - Volume 46, Issue 7
https://www.nps.gov/yose/planyourvisit/upload/yg21-7.pdf
Yosemite Guide August 25, 2021 - September 28, 2021 i Experience Your America . Yosemite National Park Yosemite Guide August 25, 2021 - September 28, 2021. Yosemite Guide @YosemiteNPS. e Ase Adms Ger. urr ige rig. Merc e d Ri v er. Lower Yosemite Fall . Upper
How to silence your Mac’s startup sound | MacIssues
https://macissues.com/2015/03/13/how-to-silence-your-macs-startup-sound/
Yosemite, MAC air. It doesn’t work, no matter what value I use. When I read the current value (nvram SystemAudioVolume) I also first got “)” the after applying the “sudo nvram SystemAudioVolume=%80” I got %80 when reading the value. same thing with %00 etc.
Yosemite Guide - Volume 46, Issue 6
https://www.nps.gov/yose/planyourvisit/upload/yg21-6.pdf
Yosemite Guide July 21, 2021 - August 24, 2021 i Experience Your America . Yosemite National Park Yosemite Guide July 21, 2021 - August 24, 2021. Yosemite Guide @YosemiteNPS. e Asel Adms Glley. uy illge ig. Merc e d Ri v er. Lower Yosemite Fall . Upper
OpenCore BigSur USB boot stalls out — help interpreting ...
https://www.tonymacx86.com/threads/opencore-bigsur-usb-boot-stalls-out-help-interpreting-verbose-logging.314891/
Yosemite Desktop Support Yosemite Desktop Guides Mavericks Desktop Support Mavericks Desktop Guides Mountain Lion Desktop Support ... SystemAudioVolume - ignored, exists 00:898 00:029 OC: Setting NVRAM 7C436110-AB2A-4BBB-A880-FE41995C9F82:boot-args - ignored, exists 00:927 00:028 OC: Setting NVRAM 7C436110-AB2A-4BBB-A880 …
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