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Yesterday I bought a new Dell laptop (inspiron ) and had everything working fine, installed somethings and turned it off. Today I worked with it by the morning (and listened some music) and by the afternoon I had to restart it and when it started over it had no sound on the speakers or headphones. The sounds configuration only shows "Dummy output" on the output tab. I seached a lot for some help and could find some steps like: https://ubuntuforums.org/showthread.php?t=1316634 and No sound in Ubuntu 13.04, only Dummy output device listed and I tried everything I could find and nothing works. No help from Dell's official tech support. Does anyone had a similar problem on 16.04 and solved it?

Lucas Henrique
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  • Do a real shutdown . Try to disable fastboot in bios. run "aplay -l " in terminal and see if a sound device is there. – laugeo Apr 28 '17 at 11:40
  • @laugeo - My fastboot has three options: Minimal - Reduces time by skiping hardware and configuration initialization during boot. Thorough - Performs complete hardware and configuration initialization during boot. Auto - Allows the BIOS to decide confiration initialization performed during boot. Thorough is checked by default. How to disable it? – Lucas Henrique Apr 28 '17 at 12:24
  • aplay -l returs aplay: device_list:268: no soundcard detected... – Lucas Henrique Apr 28 '17 at 12:29
  • fastboot is ok but i would test using ubuntu 17.04 – laugeo Apr 29 '17 at 17:22

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