I've check sound preferences again. Internal Audio is the default output device. And volumes in preferences or alsamixer are 100%.
Attachment is a log generated by instructions from https://wiki.ubuntu.com/PulseAudio/Log . Wait for newly updates. Thanks. ** Attachment added: "PulseAudio/Log" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/779049/+attachment/2139674/+files/pulseverbose.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/779049 Title: [P55A-UD3, Realtek ALC892, Green Speaker, Rear] No sound at all -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
