http://www.asrock.com/mb/Intel/H55M%20Pro/
there is optical spdif at the rear panel and internal HDMI SPDIF connector seem bios did not setup pin default correctly Node 0x2e [Pin Complex] wcaps 0x400701: Stereo Digital Pincap 0x00000010: OUT Pin Default 0x474411f0: [N/A] SPDIF Out at Ext Rear Panel Conn = RCA, Color = Black DefAssociation = 0xf, Sequence = 0x0 Misc = NO_PRESENCE Pin-ctls: 0x00: Power states: D0 D1 D2 D3 Power: setting=D0, actual=D0 Connection: 1 0x0f the should be red light at the optical spdif when iec958 playback switch is ON try hdajackretask to change pin default from [N/A] to [Jack] , RCA to Optical -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1453282 Title: [Neither headphones nor speakers are displayed under "All Settings"->Sound, VIA VT1718S, Green Headphone Out, Front] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1453282/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs