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Old 01-13-2013, 09:28 AM   #16
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Location: Buenos Aires.
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Done. I then reboot and
semoi@darkstar:~/sound$ cat /proc/asound/cards
cat: /proc/asound/cards: No such file or directory
semoi@darkstar:~/sound$ alsamixer
cannot open mixer: No such file or directory

Last edited by stf92; 01-13-2013 at 10:13 AM.
Old 01-13-2013, 04:29 PM   #17
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Just a couple of things you might check for:
  • Are the cables connected correctly inside your machine (master/slave etc.)? Are they plugged safely? A data DVD should mount, even if it has autorun or something on it, under Linux. Video and Audio cannot be mounted, usually, but data discs should be mountable, AFAIK.
  • Do you have only onboard sound, or is there also an additional sound card plugged to the system, or a card that comes with as sound chip? All cards with HDMI output are relevant here. If so, there could be conflicts between the two audio chips. In that case you might want to blacklist the kernel modules for the sound card.

Your problem, that you cannot mount the driver DVD, points to the first option, while your diagnosis regarding sound indicates a problem like the second one. I am inclined to think, it's the first one, though.

Best regards

Old 01-13-2013, 08:24 PM   #18
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Well, when sound is OK, I have
semoi@darkstar:~/sma_/info/clear/internet$ cat /proc/asound/cards
 0 [PCH            ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0xf7c00000 irq 42
 1 [pcsp           ]: PC-Speaker - pcsp
                      Internal PC-Speaker at port 0x61
So I could say I have two cards. Sound is all onboard. The codec is Realtek ALC887 and the rest is in the H61, I think. What I do not understand is why after having audio correctly set, a reboot can mesh up things. Perhaps a conflict between the sound card and the internal speaker? My ALSA version is 1.0.26 and ALSA implemented ALC887 support in 1.0.18. But a lot of linux users complain about the difficuties of starting sound in linux with the ALC887.

As to the optical drive, I have checked all the connections.


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