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Open a terminal and issue the command alsamixer you will get a screen like this: use the right arrow to highlight the Front Microphone if it's muted as shown above, hit the 'M' key to toggle Mute off. then use the up arrow to increase the gain (sensitivity) your end result should look similar to this. Hit the Esc key to exit. Your Microphone should now ...


Link to a solution in Russian: Subwoofer does not work on HP ENVY dv7 It helped me activate subwoofer on Ubuntu 14.04. This might also work on other versions of Ubuntu as well. Main actions: Install alsa-tools-gui. In this package we need hdajackretask utility (maybe hda-jack-retask in earlier versions). Choose a different codec: IDT 92HD81B1X5 Under the ...


try this in terminal for no sound: sudo alsa force-reload restart device and check if sound is workin? if it doesnt do this: sudo apt-get remove --purge alsa-base pulseaudio sudo apt-get install alsa-base pulseaudio Restart device and check ..This should probably do the job!


The problem goes away after disabling the "auto mute mode" cheers


Maybe it's too late, but have a look at my similiar question. I think, it should help. Can I configure separate sound volume for each user?

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