I have a similar laptop from BTO laptops. I noticed that a workaround exists for me. I start with closing the laptop with the cable connected until it is in hibernation and then opening it again. Selecting the hdmi using pavucontrol I can get the HDMI audio to work.
I have a similar laptop from BTO laptops. I noticed that a workaround exists for me. I start with closing the laptop with the cable connected until it is in hibernation and then opening it again. Selecting the hdmi using pavucontrol I can get the HDMI audio to work.
See my bugreport here: https:/ /bugs.launchpad .net/ubuntu/ +source/ alsa-driver/ +bug/1264665