- Edit as root: sudo editor /usr/share/pulseaudio/alsa-mixer/paths/analog-input-internal-mic.conf
- Edit as root: sudo editor /usr/share/pulseaudio/alsa-mixer/paths/analog-input-mic.conf
- Under "[Element Internal Mic Boost]" set "volume" to "zero".
- Under "[Element Int Mic Boost]" set "volume" to "zero".
- Under "[Element Mic Boost]" set "volume" to "zero".
If It's still same, then you can next other steps.
- edit the file below: