System -> Administration -> Soundcard detection no longer hear sound

[Darlene Wallach]

stan wrote:
> Darlene Wallach wrote:
>> While I was installing Fedora 7, I heard sound during
>> the sound test. After Fedora 7 was installed, I tried
>> System -> Administration -> Soundcard detection and I
>> heard sound.
>>
>> I installed Macromedia, mplayer, vlc. I tried to watch
>> youtube and did not hear sound. I used the
>> System -> Preferences -> Personal -> volume control
>>
>> I now do not hear sound when I select
>> System -> Administration -> Soundcard detection.
>>
>> What could explain the soundcard not being detected?
>>
>> Should I reinstall Fedora 7?
>>
>> I sent an email out on Monday, 20th Aug to which noone
>> has responded. Are people tired of helping people get
>> sound working? Is the subject of no interest?
>>
>> If anyone can give advice or feedback, I would appreciate
>> it. Can someone point me to documentation?
>>
>> Thank you for your attention and consideration,
>>
>> Darlene Wallach
>>
> See if your sound card has been detected.
> aplay some.wav    this will use the default device
> aplay -D plughw:0,0 some.wav  uses a different plugin than default
> 
> You can also look at aplay -lLv to see the info alsa has about your card 
> and how it has configured it.
> There is lots of information in /proc/asound as well.
> 
> By default alsa starts with sound muted, so use either the alsa mixer gui
> or alsamixer in a terminal to adjust at least the master sound level.
> 
> If you have more than one soundcard, it is possible that they were 
> assigned in a different order than you expect.  This requires explicit 
> assignment it /etc/modprobe.conf.  Lately, I've noticed this occurring 
> by default.
> 
> Some applications need to be configured to use the card.
> 
> And yes,  this question has been asked and answered many times on the 
> list.  The answer has to be out there somewhere on the web, for sure on 
> either the alsa-user list or this list at gmane.org.
> I'm sure you find the subject of interest. :-)
> 
> I've had pretty good luck with sound, the basic functions have just 
> worked.  If you are using an obscure chip, or a troublesome chip it can 
> be problematic.  And because every sound card is different, only someone 
> familiar with your card can really go beyond the basic stuff above.  For 
> those, the alsa lists are probably the best bet.  They can also tell you 
> if it is even supported.
> 

I did check all the email on the Fedora list regarding
sound problems with Fedora 7. What I did not see was
someone asking about sound working on the sound test
during installation and after installation, then the
sound test failing.

I do not understand what to do change on alsamixer either
the cli or the gui to try to get sound working again.

I tried aplay on a .au file and heard nothing.

I don't know what to put in google to even get close to
getting results that will be useful.

I am very frustrated with myself for somehow screwing up
sound that once worked.

Darlene Wallach