so i just need to add snd-hda-intel model=acer to alsa configuration file. this report can be closed if needed.
-- karmic : no sound with laptop ACER 7720G https://bugs.launchpad.net/bugs/432326 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
