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Old 02-03-2010, 03:43 PM   #1
R.Istros
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Internal speakers don't mute on FSC Amilo Pro


Hello everyone. I'm using Linux Mint 8, kernel 2.6.31-12 (and I tried several other distributions and had the exact same problem) on my FSC Amilo Pro 3525, where I have Intel HDA (ICH7) and Realtek 883. My problem is that when I plug in my external speakers, they do not mute the internal ones.

I've searched and searched the forums and came up with a half-baked solution where in alsamixer I - almost - mute front, and bring master to maximum, and in that way I hear the internal speakers just a little.. and the external ones play at maybe 1/3 of their normal volume. Every time I reboot I have to do this again. I can't mute front entirely because then it mutes all sound.

I tried adding various options to alsa-conf, which seems to be a fairly often suggested solution, including the one where I identify the model of my notebook, and it did not help.

Now. When I tried to find the answer, I came across several tutorials that suggested adjusting options in volume control, etc, inlcuding jacksense, that I found I don't have listed.

Being pretty ignorant about Linux, I came to the conclusion that it might be Pulseaudio that's causing the problem. For instance, alsamixergui shows Pulseaudio as card. I did try preventing Pulseaudio from loading, did not help.

Anyway, from lspci I get this concerning audio:
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)

And, I made a few screenshots in case anyone cares to see what I mean when I say that some options are missing from volume control, etc.

1
2
3

I'd just like to add that when I first tried these speakers under XP I had the exact same problem, and thought that maybe the jack was faulty. But I solved it by downloading the latest driver for Realtek.

I would much appreciate any help because this issue is the last that's holding me back from completely switching to Linux. I'm on dual boot now.

Last edited by R.Istros; 02-03-2010 at 04:32 PM.
 
Old 02-03-2010, 04:16 PM   #2
Mr-Bisquit
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Is there a Fn+Fn# or keypad combination available?
 
Old 02-03-2010, 04:31 PM   #3
R.Istros
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Quote:
Originally Posted by Mr-Bisquit View Post
Is there a Fn+Fn# or keypad combination available?
Sure, but it does exactly the same as when I change front in alsamixer, i.e., either lowers the volume of internal speakers (and of external simultaneously), or if I mute via keyboard, there's no sound at all.
 
Old 02-04-2010, 02:16 PM   #4
Mr-Bisquit
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Try removing pulse audio and running alsa with esound and having arts and oss.
It may sound convoluted but that may help.
Also, Have you added yourself to the pulseaudio group in /etc/group?
 
  


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