Ran through this again. Sound worked again after reboot. Note that it was on a fresh boot on new kernel when sound stopped working in the first place. Not sure why it works now, but glad it does:
http://linux.dell.com/wiki/index.php/Ubuntu_8.04/Issues/No_Sound_After_Distribution_Or_Kernel_Upgrade -- kernel upgrade to 2.6.24.20 broke sound hda intel https://bugs.launchpad.net/bugs/253212 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