Inspiron 1420/1520/1720 integrated microphone in Ubuntu

Problem: The integrated microphone next to the webcam on Inspiron 1420, 1520, and 1720 laptops does not work with (in such programs as Skype, for example)

Solution: Open terminal and type in:

sudo alsamixer

And change the option all the way on the right to “DIGITAL” (it should be set to “ANALOG” by default). Changing it to Analog should fix the problem.