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rated 0 times [  4] [ 0]  / answers: 1 / hits: 31867  / 3 Years ago, sun, september 19, 2021, 6:24:42

I realized that there is a red light coming out of my earphone jack. It's something like this:



enter image description here



I looked in the folder that Toshiba created for installing drivers , then I found out that they had installed this driver for my sound card: Realtek HD Audio Driver v6.0.1.5689_withMaxxAudio_Compal(20080908)



I'm guessing that the sound card supports Optical Audio Output. I also found out that when I mute the speakers, the light goes away. But when I unmute it, it comes back.



I don't really mind having it but it drains my battery. So, is there a Ubuntu version for my sound card driver?


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 Answers
5

Okay, so I followed Tenplus1's answer and it seemed to work. But it got restored after reboots. So I did some research and found a way.




  1. Open Terminal by Ctrl + Alt + T

  2. Type in sudo alsamixer

  3. Use the arrow keys to move around and when over S/PDIF press M to mute, this will turn the light OFF.

  4. Hit the Escape key - DO NOT CLOSE TERMINAL

  5. Type sudo alsactl store - This will make it persist across reboots

  6. Close Terminal


[#35405] Monday, September 20, 2021, 3 Years  [reply] [flag answer]
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