There are some suggestions in the following Ubuntu Forums thread: http://ubuntuforums.org/showthread.php?t=1383786
I've tried most of them without much luck (including upgrading to alsa- driver-1.0.23), but since headphones are my preferred method for this computer I may not have been thorough. Still, I'd be happy to submit any debug information that's requested. Ubuntu 10.04 32-bit Desktop on HP TouchSmart 600 1005xt -- HP Touchsmart 600-1005xt No sound from Internal Speakers https://bugs.launchpad.net/bugs/597056 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
