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I'm quite embarrassed to ask this, as there's quite a bit of info out there, but I don't seem to be able to stitch it all together.

Basically, here is a new Toshiba laptop running ubuntu lucid. Everything works like a charm, apart from a microphone jack, which only produces very low level noise.

Sound output is OK, the problem is only with the input.

The microphone jack itself is fine, since it works under windows.

The pulseaudio server doesn't seem to mute the mike.

I'm at loss as to where to even start looking into how to fix this, and will very much appreciate any suggestions.

EDIT: Installing the linux-backports-modules-alsa-lucid-generic (as suggested here: alleviated the problem. Now the internal mike works just fine, the mike jack sort of works but the noise level on the jack is still very high.

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closed as too localized by Bruno Pereira Feb 18 '12 at 1:16

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

Cutting the boost level should help immensely, though. :) – Christian Jonassen Dec 17 '11 at 10:05
Hello, this question has no information and activity for a very long time. I am closing it for now. If by any reason you think this question is still viable or useful in anyways or that there is still a good chance it will be answered please flag it to a moderator or add a comment with the reasons why you want it open. Regards – Bruno Pereira Feb 18 '12 at 1:16

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