Ubuntu
alsa-driver package

  1. Bug #1414706
  2. Comment #11

Comment 11 for bug 1414706

Revision history for this message
Raymond (superquad-vortex2) wrote :

http://support.lenovo.com/us/en/products/laptops-and-netbooks/thinkpad-x-series-laptops/thinkpad-x240/documents/PD029567?tabName=ProductParts

The combo audio connector does not support a conventional microphone.

Combo audio connector
Connect headphones or a headset that has a 3.5-mm (0.14-inch), 4-pole plug to the combo audio connector to listen to the sound from the computer.