Thank you Daniel. The automatic grub setup botted the old Kernel by default. With the new kernel the sound works fine.
** Changed in: alsa-driver (Ubuntu) Status: New => Invalid ** Visibility changed to: Private -- no sound since 9.10 on AMD chipset mainboard https://bugs.launchpad.net/bugs/464041 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs