[LAU] no sound from laptop speakers

Hallo,

I have rather strange problem.
There is HP 6735b laptop with integrated audio -
Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA)
but IMHO sound chip isn't relevant at all.
OS: Ubuntustudio 9.04
I can hear sound playback through headphones' output but no sound from
built-in speakers (with headphones disconnected).
Alsamixer shows all playback levels high and unmuted.
Win Vista (dual boot) playbacks audio through laptops speaker easely.

Any hints are very appreciated

Antanas Budriūnas
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Received on Mon Oct 26 12:15:05 2009