I have now been able to workaround this problem with the advice from the post at http://ubuntuforums.org/showthread.php?p=10751019#post10751019
Essentially, adding the line: options snd-hda-intel model=auto index=-0 to /etc/modprobe.d/alsa-base.conf seems to fix the issue. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/776949 Title: Buzzing Noise from upgrade to 11.04 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
