FYI It seems i had the same problem with ubuntu 12.4 and Toshiba with ALC280 chip .
I installed the patch as explained in #3 and now have working sound. Thanks gio -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1017017 Title: [SATELLITE P875, Realtek ID 280, Speaker, Internal] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1017017/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs