Try alsamixer, press F6 select HDA Intel PCH, then disable Auto-Mute. I attached my configuration on my M4800
** Attachment added: "configuration" https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1786495/+attachment/5174612/+files/Screenshot%20from%202018-08-13%2011-09-04.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1786495 Title: [Precision M4800, Realtek ALC3226, Green Headphone Out, Front] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1786495/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
