No sound (dummy output) on Inspiron 7000 using Ubuntu 16.04

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I bought a Dell Inspiron 7000 notebook and after a couple days of use the sound just stopped working. Now it is showing an "Dummy Output".



I already tried all the answers in StackOverflow, like force reload alsa, kill pulse audio, make a lot of changes in the /etc/modprob/alsa-base.conf, update kernel, update DKMS...



Dell official support said they can't help because it is an unsupported OS, but I'm using the system that came with the equipment from the factory.



I hope someone could help me.



my sound setting










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    up vote
    0
    down vote

    favorite












    I bought a Dell Inspiron 7000 notebook and after a couple days of use the sound just stopped working. Now it is showing an "Dummy Output".



    I already tried all the answers in StackOverflow, like force reload alsa, kill pulse audio, make a lot of changes in the /etc/modprob/alsa-base.conf, update kernel, update DKMS...



    Dell official support said they can't help because it is an unsupported OS, but I'm using the system that came with the equipment from the factory.



    I hope someone could help me.



    my sound setting










    share|improve this question

























      up vote
      0
      down vote

      favorite









      up vote
      0
      down vote

      favorite











      I bought a Dell Inspiron 7000 notebook and after a couple days of use the sound just stopped working. Now it is showing an "Dummy Output".



      I already tried all the answers in StackOverflow, like force reload alsa, kill pulse audio, make a lot of changes in the /etc/modprob/alsa-base.conf, update kernel, update DKMS...



      Dell official support said they can't help because it is an unsupported OS, but I'm using the system that came with the equipment from the factory.



      I hope someone could help me.



      my sound setting










      share|improve this question















      I bought a Dell Inspiron 7000 notebook and after a couple days of use the sound just stopped working. Now it is showing an "Dummy Output".



      I already tried all the answers in StackOverflow, like force reload alsa, kill pulse audio, make a lot of changes in the /etc/modprob/alsa-base.conf, update kernel, update DKMS...



      Dell official support said they can't help because it is an unsupported OS, but I'm using the system that came with the equipment from the factory.



      I hope someone could help me.



      my sound setting







      16.04 sound dell pulseaudio alsa






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      edited Jul 11 '17 at 1:53









      EsmaeelE

      1496




      1496










      asked Jul 11 '17 at 1:13









      Carlos Dutra

      714




      714




















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          Finally I found how to solve the problem. First I reverted all the changes in the system configurations, as installation of alsa, pulseaudio and config files, disabled the fast boot in BIOS options, then I updated the BIOS following this tutorial from DELL website and turned off the computer for some hours, now the sound is working.






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            1 Answer
            1






            active

            oldest

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            1 Answer
            1






            active

            oldest

            votes









            active

            oldest

            votes






            active

            oldest

            votes








            up vote
            2
            down vote













            Finally I found how to solve the problem. First I reverted all the changes in the system configurations, as installation of alsa, pulseaudio and config files, disabled the fast boot in BIOS options, then I updated the BIOS following this tutorial from DELL website and turned off the computer for some hours, now the sound is working.






            share|improve this answer
























              up vote
              2
              down vote













              Finally I found how to solve the problem. First I reverted all the changes in the system configurations, as installation of alsa, pulseaudio and config files, disabled the fast boot in BIOS options, then I updated the BIOS following this tutorial from DELL website and turned off the computer for some hours, now the sound is working.






              share|improve this answer






















                up vote
                2
                down vote










                up vote
                2
                down vote









                Finally I found how to solve the problem. First I reverted all the changes in the system configurations, as installation of alsa, pulseaudio and config files, disabled the fast boot in BIOS options, then I updated the BIOS following this tutorial from DELL website and turned off the computer for some hours, now the sound is working.






                share|improve this answer












                Finally I found how to solve the problem. First I reverted all the changes in the system configurations, as installation of alsa, pulseaudio and config files, disabled the fast boot in BIOS options, then I updated the BIOS following this tutorial from DELL website and turned off the computer for some hours, now the sound is working.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Jul 11 '17 at 22:42









                Carlos Dutra

                714




                714



























                     

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