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I am running ubuntu 10.10 on a Lenovo ideapad z560. The speakers run fine but the headphones are not recognized when i plug them in. Audio comes out of the speakers only. I tried all alsa and pulseaudio settings but to no avail. I came to know that this is a known bug and many people are having this problem. I was wondering whether shifting to OSS4 would help. I need some advice because once i make the switch i would need to reconfigure a large number of audio apps. Thanks in advance

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up vote 2 down vote accepted

Have you tried to explicitly set the sound card's model in the alsa-base.conf file?

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Iam trying out the linuxant drivers. hope this works. – tinhed Nov 11 '10 at 6:14
The hdaintelsoundhowto solved my problem. Thanks a lot for the fix. – tinhed Nov 12 '10 at 12:57

I would advise that you leave your sound servers alone, maybe you should try if a USB based headphone will help work around the problem until the bug is fixed, also make sure that it is really not a hardware issue, I had an old Dell Inspiron that had a similar problem and it turned out that the problem was hardware failure, Windows that came on it with the proper drivers had the same problem.

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