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sudo nvram SystemAudioVolume=%80不管用怎么办_wwwwws的 …
https://blog.csdn.net/wwwwws/article/details/114224900#:~:text=%E6%B0%B8%E4%B9%85%E5%85%B3%E9%97%AD%E7%9A%84%E8%AF%9D%EF%BC%8C%E8%BE%93%E5%85%A5%E4%BB%A5%E4%B8%8B%E5%91%BD%E4%BB%A4%E5%8D%B3%E5%8F%AF%EF%BC%9A%20sudo%20nvram%20SystemAudioVolume%3D%2580%20%E6%81%A2%E5%A4%8D%E7%9A%84%E8%AF%9D%E8%BE%93%E5%85%A5%EF%BC%9A%20sudo%20nvram%20-d,Mac%20OS%20X%3A%20%E7%B3%BB%E7%BB%9F%20nvram%20%E5%90%AF%E5%8A%A8%E5%8F%82%E6%95%B0%20%E4%B8%AD%E5%9B%BD%E5%9C%A8%E7%BA%BF%E6%95%99%E8%82%B2%201%E4%B8%87%2B
sudo nvram SystemAudioVolume=%80不管用怎么办_wwwwws的 …
https://blog.csdn.net/wwwwws/article/details/114224900
7742. 永久关闭的话，输入以下命令即可： sudo nvram SystemAudioVolume=%80 恢复的话输入： sudo nvram -d SystemAudioVolume 以上的话是不行的，可能是对旧的系统有作 用 吧 下面是可行的： sudo nvram SystemAudioVolume = " % 00". 插入表情.
How to reverse: sudo nvram SystemAudioVol… - Apple Community
https://discussions.apple.com/thread/6741774
This was the terminal command I entered: sudo nvram SystemAudioVolume=%80. Now my Facetime audio output won't work. All other system audio seems fine. How do I reverse this command? I can deal with the startup chime, but I need people to hear me on Facetime. Thanks for any help in advance. Steve
sudo nvram SystemAudioVolume=%00 sudo nvram -d ...
https://pastebin.com/vZLu0xKh
Jul 12th, 2014. 306. Never. Not a member of Pastebin yet? Sign Up , it unlocks many cool features! text 0.07 KB. raw download clone embed print report. sudo nvram SystemAudioVolume=%00. sudo nvram -d SystemAudioVolume.
NVRAM/PRAM: How to Reset & When Should You Use It …
https://iboysoft.com/wiki/nvram.html
Here's the way to reset NVRAM/PRAM on Mac: Shut down your Mac completely. Press the power button and simultaneously hold down the Option + Command + P + R keys for about 20 seconds. Release the key combination when you hear the second startup sound from your Mac. If it's a T2-based Mac, you'll see the Apple logo appears and disappears twice ...
terminal - Has Unix Parameter Name SystemAudioVolume Been ...
https://apple.stackexchange.com/questions/367502/has-unix-parameter-name-systemaudiovolume-been-changed-to-systemaudiovolume-db-i
Firstly, the sudo nvram SystemAudioVolume=%00 (or the same command with different values at end) never allowed users to actually change the startup chime sound. In earlier versions of Mac OS X it did allow users to change the volume, and therefore they could mute the startup chime, but this did not change the sound.
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.
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