I have the same problem on an HP dv6525eo. Conexant CX20549. I used this guide on Gutsy to get working sound, it doesn't work with the latest drivers on Hardy:
https://help.ubuntu.com/community/HdaIntelSoundHowto -- Distorted sound after upgrade from Gutsy to Hardy https://bugs.launchpad.net/bugs/222192 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs