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I am using a Dell Vostro 1014 running with Ubuntu 14.04 64 Bit. Internal speaker front left alone is working. When I plug classic headset no sound but microphone in the headset is working.

Below is the aplay -l output

aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
  Subdevices: 0/1
  Subdevice #0: subdevice #0

alsamixer does not detect headphone

Ubuntu Sound setting shows Analog output and input (built in audio)

Kindly suggest how to troubleshoot.

Thank you, Sajith

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I am not 100% sure I understand your problem, but my headphones stopped working all of a sudden, and the solution was to do the following two things:

  1. Reset user configuration (as described in the Troubleshooting section of;

  2. Make sure Independent HP is Disabled in alsamixer. To do that, just type alsamixer in a terminal, then choose your sound card (by pressing F6) and move to the Independent HP column.

Hope it helps!

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