ubuntu-users Digest, Vol 56, Issue 315

[Larry Shields]

Daniel Bicknell wrote:
>> Sandy Harris said:
>>
>>     
>>> upgraded Xubuntu 8.10 to 9.04 on a core 2 duo 4 gig box Sound is via
>>> some on-board chip; worked fine in 7.04, 7.10, 8.04 and 8.10 with no
>>> significant messing about.
>>>
>>> Amarok looks utterly different & no longer produces sound. Testing with
>>> movie player, no sound there either.
>>>
>>> How do I diagnose this? Better yet, how do I fix it?
>>>       
>> Sound management and sound diagnostics is a mess in Ubuntu, imo. I've had 
>> to sort a few issues out and it's been trial with a number of (randomly 
>> chosen) tools.
>>
>> In your case, I'd start by taking a look at the various "mixers" and 
>> check whether anything is muted. Unmute everything and then selectively 
>> mute later - taking care when unmuting mics, of course.
>>
>> Note that not all "mixers" will necessarily display all channels.
>>
>> You might also try asking questions on #alsa. Those guys have a good rep 
>> for sorting things out.
>>     
>
> Having similar sound issues on a Gateway MX6955 laptop.  I upgraded last
> night and haven't had any sound since.  It worked fine with Ubuntu 8.10 but
> now I can't get anything.  I'm wondering if the 'TEST' button in sound
> preferences should replay sound or is this just hardware testing?  
>
> I've been trying various combinations of 'mixer' settings as noted above but
> to no avail.
>
> On other fronts, I don't seem to be experiencing any other issues.
>
> Thanks,
> Dan
>
>
>
>   
*By anychance have you used alsamixer -D hw: to set your sound mixer, 
also to make sure that the audio is not turned off...

Larry
*

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