Raymond, I have performed the requested data captures and will attach them.
I took a look at the xrandr command and decided to try a little troubleshooting on my own and found that the following xrandr command resolves the problem until the system is shutdown or rebooted (e.g. the System Settings sound tests pass and the "System Ready" sound is output if I logout): xrandr --output DVI-0 --set audio off So it appears that the underlying code for the "audio = auto" setting for DVI-0 is incorrectly determining that the setting for this configuration(e.g. DVI to HDMI with analog audio) is "on" instead of "off". I can understand the confusion after looking at the DVI video specification on wikipedia and finding this: DVI-D devices output HDMI signals, many including audio, (examples: ATI 3000-series and NVIDIA GTX 200-series video cards) ,[9] and some multimedia displays input that HDMI signal, including audio, by using a DVI to HDMI adapter. Exact capabilities vary by video card specifications. The only test I have not run is to see if the HDMI video card selection in the System Settings Sound dialog will actually output sound on the DVI to HDMI cable and also resolve the issue. I will try this as soon as I finish attaching the data files and will add another comment to let you know what the outcome of the test is. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1394711 Title: [HDA-Intel - HDA ATI SB, playback] No sound at all with built in display speakers To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1394711/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
