Sound not working in Ubuntu 9.04

[Shannon McMackin]

vishalaksha vyas wrote:
> I have HP Pavilion dv41131tx. Recently I have installed Ubuntu 9.04 on 
> it. There is no sound in any corner.
> I tried with different options, installed/un-installed so many 
> plug-ins/packages. Also tried with alsa mixer to check something is mute 
> or not. Tried with different players. But not lucky at all. System is 
> detecting the sound card.  One thing I noticed that in so many post it 
> was written to check for PCM. I checked and found that I can not mute it 
> unlike others.
>  
> Please any one provide me the any way to come out.
> 
PCM should not be muted.  Try running alsamixer -c0 and make sure PCM 
and volume are max.  See if you get sound then.  There's a very good 
pulseaudio how-to in the ubuntuforums.org that may help.