I have an Acer Aspire ES-15. When I plug a Jack to the laptop (On windows 10) Came up a window where I can select if the device i pluged in is a microphone, a headphone or a speaker. (My audio card is a Realtek HD audio) Now I have only Ubuntu for OS and my PC does not recognize if I connect a microphone to the only jack port that has.


Maybe give this a try...

  • Install pavucontrol: sudo apt-get install pavucontrol
  • Run: sudo pavucontrol
  • Go to the "Input Devices" tab
  • Click the lock icon to unlock the channels
  • Under "Port", select the correct microphone (front or rear)

Found in this thread here: Sound Input device (microphone) not working

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  • I want to connect an external microphone to the computer's jack port because I'm a musician and the Pavucontrol doesn't recognize that it's connected and I don't know how to do it. – Neouen Melcangi Moreno Aug 22 '19 at 22:57

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