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Front microphone not working

cn flag

After installing (20.04 LTS) I had an issue with my earphones... Initially my mic and my earphones both weren't working. But after a bit of research I was able to fix the speakers but mic is still an issue.

Output of cat /proc/asound/card*/codec* | grep Codec

Codec: Realtek ALC662 rev3 Then after knowing the codec of my sound card I visited https://www.kernel.org/doc/html/latest/sound/hd-audio/models.html and picked up my model and added the following line in /etc/modprobe.d/alsa-base.conf

options snd-hda-intel model=alc662-headset-multi This fix seemed to work when I selected Analog Stereo Duplex(unplugged) in Pavucontrol and the audio came in speakers but mic was still dead but somehow it was able to capture all the voices coming out of speaker of headphone. I went to settings but there was no option to select input device device.

Screenshot of Sound Settings

I installed a audio recorder and there I could find an option to select external mic and it worked quite well.

Screenshot of Audio Recorder

How to fix this problem?

Additional Notes:

Screenshot of Alsamixer

The problem is in front panel only rear mic and speaker works. My PC is very old so I have two separate jacks for mic and speakers. I use a splitter.

James S. avatar
de flag
Please edit your question to include screenshots in-line, rather than as links.
Siddhartha Mondal avatar
cn flag
I am new to this... It doesn't allow me to... IT says I am not permitted
James S. avatar
de flag
I've edited your question to put the images inline for you, but the edit is awaiting moderation.
Siddhartha Mondal avatar
cn flag
Thank you for the edit. Now what is the fix to the mic problem?
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