As a workarount use hda-jack-retask http://askubuntu.com/questions/832248/sound-is-not-working-in-dell-xps- all-in-one-2710-running-ubuntu-16-04
"Praise of God i could solving the problem by installing "hda-jack- retask" - open the terminal and post: [ sudo apt-get install alsa-tools- gui ] - then post: [ hdajackretask ] in the gui of "jack retasking" i found "green Headphone" set as "headphone" i checked "override" and choose "internal speaker" then i pressed the button "apply now" then "install boot override" then reboot finally, the problem solved ... I'm happy now ... thanks for every one tried to help me ... thank you very much" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1611821 Title: Dell XPS One 27: Headphone jack and speakers mutuated after upgrade to 16.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1611821/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
