Fix : No sound on Ubuntu (16.04) after a Bluetooth audio device power off.

Problem : After Bluetooth speakers were abruptly switched off, Ubuntu 16.04 on Alienware (17 R2) stopped producing sounds on its analog sound card.

Reason : Doubt an inviable configuration was left behind for the sound card.

Solution :

  • Open terminal
  • Run –
    killall pulseaudio; rm -r ~/.config/pulse/* ; rm -r ~/.pulse*
  • Wait for 10 seconds.
  • Reboot the machine. (Fully power off and then boot)
  • This should fix the problem, else look into the reference link below.

Reference :

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