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I reinstalled PulseAdio beacause I my indicator-sound just disappeared, but it didn't help.

enter image description here

Strangely, I have installed indicator-sound and still don't have that sound control. Nay, I don't even have any settings in "Sound Settings":

enter image description here

I ran "Volume Control PulseAudio" from unity launcher and I got this:

enter image description here

So I ran start-pulseaudio-x11:

$ start-pulseaudio-x11 
Connection failed: Connection refused
pa_context_connect() failed: Connection refused

What Can I do to fix it?

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I posted my problem in this thread too: – r9s Jan 13 '12 at 18:01
if you reset your pulseaudio conf via mv ~/.pulse ~/.pulse_backup , logout and login does your audio stuff reset correctly? – fossfreedom Jan 13 '12 at 20:24
Oh my god! It fix my problem! THANK YOU fossfreedom! – r9s Jan 14 '12 at 7:57
up vote 4 down vote accepted

converted comment to answer

Some pulse-audio issues can be resolved by resetting your pulseaudio configuration file then logging out and logging in to regenerate it automatically.

mv ~/.pulse ~/.pulse_backup

From your comment - this is exactly the case for your situation :)

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I found out that in the login screen, I could change the volume but it was a session issue.

I typed:

sudo chown -R $USER /home/$USER  

and restarted. Now I have the control.

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