Ok, so to start from the bottom: The aplay or speaker-test device you'd like to test with is likely "hdmi:HDMI,1", i e
aplay -D hdmi:HDMI,1 tmp.wav Second, I wonder if this is something we've brought upon us during the upgrades and trying to get all the power savings right. Can you try editing /etc/modprobe.d/alsa-base.conf and add: option snd-hda-intel jackpoll_ms=500 ...and reboot. Does this make detection work reliably? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1383997 Title: [Dell Vostro 5470] No HDMI audio with 14.04 To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1383997/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
