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I've installed Pulseaudio-equalizer, then after reboot, my volume control was muted. Then i started to do a lot of mistakes. I've sudo apt-get autoremove pulseaudio so the volume control applet in the bar menu diseapeard. Then installed sudo apt-get install gnome-alsamixer. Now i've installed again Pulseaudio but there is no sound anymore. My sound cards are well recognized: cat /proc/asound/cards :

0 [HDMI ]: HDA-Intel - HDA Intel HDMI HDA Intel HDMI at 0xa321c000 irq 50

1 [PCH ]: HDA-Intel - HDA Intel PCH HDA Intel PCH at 0xa3218000 irq 51

I've made comeback the gnome-volume-control-applet by install gnome-applets. But my volume is allways muted and i can't uncheck mute.

Is there a way to reset the audio parameters ?

0

I've read this Ubuntu documentation page : SoundTroubleshootingProcedure

Then just have to sudo rm -rf ~/.config/pulse/* , my control volume unmuted instantly and the sound is comeback.

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