[Bug 376167] [NEW] no sound on hp pavilion dv7 laptop

[Stem]

Public bug reported:

Binary package hint: firefox-3.0

I have installed edubuntu 9.04 alongside windows vista on my hp pavilion dv7 laptop. But, since installation there has been no sound except at start up when i get a repeated drumming going over and over that slowly fades out. I believe it is the sound that ubuntu usually starts up with, but it just continues and is somewhat distorted. After this sound fades there is no sound through the speakers. I have tried playing music with Amarok and Rhythmbox Music Player. The sound card on this pc is an IDT High Definition Audio. I think the issue is that it requires special drivers which aren't available on ubuntu, or I haven't found them yet.
Any advice would be great, cheers.

ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
NonfreeKernelModules: nvidia
Package: firefox-3.0 3.0.10+nobinonly-0ubuntu0.9.04.1
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: firefox-3.0
Uname: Linux 2.6.28-11-generic i686

** Affects: firefox-3.0 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386

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no sound on hp pavilion dv7 laptop
https://bugs.launchpad.net/bugs/376167
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