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3.5 mm audio output failure

Ubuntu 18.04: Audio doesn't work unless I switch between outputsAnalog and digital audio output at the same timeSound plays from laptop speakers only even when headphones are connectedMultiple Audio IssuesSet Audio to the Speakers with Headphones plugged inAudio output settings: Fontpanel and Backpanel audio at the same timeSound come always from speakersChoose whether to output audio from speakers or headphones?No speakers available as soon as headphones are in Dell XPS 15

.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty
margin-bottom:0;

0

I get sound from the speakers but not the 3.5 mm audio output. To my surprise Ubuntu knows when headphones are plugged in, so this has the potential to be an operating system or software issue. The following shows how the settings change when the 3.5 mm plug gets inserted.

Before insertion...

After inserting the 3.5 mm headphone plug...

I changed from one external audio device to another and they have a different audio cable. Both external audio devices fail so it is probably not an external hardware problem. There is still the chance there is a hardware problem internal to the computer that prevents 3.5 mm audio output but the fact that Ubuntu can detect the device means there is potential for a mode change that prevents correct operation when a device gets plugged in. Rebooting does not fix the problem.

This hardware is a HP Elitebook 840 G2.

headphones speakers audio-jack

share|improve this question

asked Sep 27 at 21:02

H2ONaClH2ONaCl

7,3352323 gold badges5858 silver badges9393 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Please run alsamixer (as a command in a terminal) and see if the headphone output isn't muted or has the volume set to 0.
  
  – Jos
  Sep 27 at 21:43
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I see values that look like 100<>100 for either headphones or speaker depending upon if it is plugged in.
  
  – H2ONaCl
  Sep 27 at 21:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  This might help: askubuntu.com/a/1165640/968501
  
  – Raffa
  Sep 27 at 23:21
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You may have tried this but, since you are still trying to discern if your problem might be hardware related, try booting into a live USB. If it works there, then it's definitely a problem with your current software. If it doesn't work on liveCD it could still be driver or hardware related, but you will have ruled out one more thing.
  
  – Nmath
  Sep 27 at 23:48
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Nmath If you want to post this as an answer I will accept it. It's probably broken hardware.
  
  – H2ONaCl
  Sep 28 at 12:36
  
  

  
  
  
  

add a comment
 | 

0

I get sound from the speakers but not the 3.5 mm audio output. To my surprise Ubuntu knows when headphones are plugged in, so this has the potential to be an operating system or software issue. The following shows how the settings change when the 3.5 mm plug gets inserted.

Before insertion...

After inserting the 3.5 mm headphone plug...

I changed from one external audio device to another and they have a different audio cable. Both external audio devices fail so it is probably not an external hardware problem. There is still the chance there is a hardware problem internal to the computer that prevents 3.5 mm audio output but the fact that Ubuntu can detect the device means there is potential for a mode change that prevents correct operation when a device gets plugged in. Rebooting does not fix the problem.

This hardware is a HP Elitebook 840 G2.

headphones speakers audio-jack

share|improve this question

asked Sep 27 at 21:02

H2ONaClH2ONaCl

7,3352323 gold badges5858 silver badges9393 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Please run alsamixer (as a command in a terminal) and see if the headphone output isn't muted or has the volume set to 0.
  
  – Jos
  Sep 27 at 21:43
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  I see values that look like 100<>100 for either headphones or speaker depending upon if it is plugged in.
  
  – H2ONaCl
  Sep 27 at 21:59
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  This might help: askubuntu.com/a/1165640/968501
  
  – Raffa
  Sep 27 at 23:21
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  You may have tried this but, since you are still trying to discern if your problem might be hardware related, try booting into a live USB. If it works there, then it's definitely a problem with your current software. If it doesn't work on liveCD it could still be driver or hardware related, but you will have ruled out one more thing.
  
  – Nmath
  Sep 27 at 23:48
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @Nmath If you want to post this as an answer I will accept it. It's probably broken hardware.
  
  – H2ONaCl
  Sep 28 at 12:36
  
  

  
  
  
  

add a comment
 | 

I get sound from the speakers but not the 3.5 mm audio output. To my surprise Ubuntu knows when headphones are plugged in, so this has the potential to be an operating system or software issue. The following shows how the settings change when the 3.5 mm plug gets inserted.

Before insertion...

After inserting the 3.5 mm headphone plug...

I changed from one external audio device to another and they have a different audio cable. Both external audio devices fail so it is probably not an external hardware problem. There is still the chance there is a hardware problem internal to the computer that prevents 3.5 mm audio output but the fact that Ubuntu can detect the device means there is potential for a mode change that prevents correct operation when a device gets plugged in. Rebooting does not fix the problem.

This hardware is a HP Elitebook 840 G2.

headphones speakers audio-jack

share|improve this question

asked Sep 27 at 21:02

H2ONaClH2ONaCl

7,3352323 gold badges5858 silver badges9393 bronze badges

share|improve this question

asked Sep 27 at 21:02

H2ONaClH2ONaCl

7,3352323 gold badges5858 silver badges9393 bronze badges

share|improve this question

asked Sep 27 at 21:02

H2ONaClH2ONaCl

7,3352323 gold badges5858 silver badges9393 bronze badges

asked Sep 27 at 21:02

H2ONaClH2ONaCl

7,3352323 gold badges5858 silver badges9393 bronze badges

asked Sep 27 at 21:02

H2ONaClH2ONaCl

7,3352323 gold badges5858 silver badges9393 bronze badges

1 Answer
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1

One way to narrow down the cause of your problem is to boot into a LiveCD/LiveUSB by selecting the "Try Ubuntu" option when booting from installation media.

If your audio is working on the LiveUSB, then this will indicate that the problem exists within your currently installed OS.

If the audio still is not working in the LiveUSB, it is possible that the problem is hardware related. It is also still possible that the problem has to do with drivers. ie: the drivers for your audio devices are not automatically configured and need additional set-up. In this case, try to research or look for Linux drivers for your specific hardware device(s).

share|improve this answer

answered Oct 1 at 23:23

NmathNmath

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1

One way to narrow down the cause of your problem is to boot into a LiveCD/LiveUSB by selecting the "Try Ubuntu" option when booting from installation media.

If your audio is working on the LiveUSB, then this will indicate that the problem exists within your currently installed OS.

If the audio still is not working in the LiveUSB, it is possible that the problem is hardware related. It is also still possible that the problem has to do with drivers. ie: the drivers for your audio devices are not automatically configured and need additional set-up. In this case, try to research or look for Linux drivers for your specific hardware device(s).

share|improve this answer

answered Oct 1 at 23:23

NmathNmath

78711 gold badge55 silver badges1616 bronze badges

add a comment
 | 

1

One way to narrow down the cause of your problem is to boot into a LiveCD/LiveUSB by selecting the "Try Ubuntu" option when booting from installation media.

If your audio is working on the LiveUSB, then this will indicate that the problem exists within your currently installed OS.

If the audio still is not working in the LiveUSB, it is possible that the problem is hardware related. It is also still possible that the problem has to do with drivers. ie: the drivers for your audio devices are not automatically configured and need additional set-up. In this case, try to research or look for Linux drivers for your specific hardware device(s).

share|improve this answer

answered Oct 1 at 23:23

NmathNmath

78711 gold badge55 silver badges1616 bronze badges

add a comment
 | 

One way to narrow down the cause of your problem is to boot into a LiveCD/LiveUSB by selecting the "Try Ubuntu" option when booting from installation media.

If your audio is working on the LiveUSB, then this will indicate that the problem exists within your currently installed OS.

If the audio still is not working in the LiveUSB, it is possible that the problem is hardware related. It is also still possible that the problem has to do with drivers. ie: the drivers for your audio devices are not automatically configured and need additional set-up. In this case, try to research or look for Linux drivers for your specific hardware device(s).

share|improve this answer

answered Oct 1 at 23:23

NmathNmath

78711 gold badge55 silver badges1616 bronze badges

share|improve this answer

answered Oct 1 at 23:23

NmathNmath

78711 gold badge55 silver badges1616 bronze badges

answered Oct 1 at 23:23

NmathNmath

78711 gold badge55 silver badges1616 bronze badges

answered Oct 1 at 23:23

NmathNmath

78711 gold badge55 silver badges1616 bronze badges