Mic fix on HP280G3MT desktop

Internet should be connected for the following steps:-

open terminal and use the following commands:-

sudo apt-get update

sudo apt-get install alsa-tools-gui

hdajackretask

 Select a Codec = Conexant CXXX

Under PIN Configuration SECOND-2nd section

Check Overide and in place of microphone select >> Inbuilt MIC

Click on Apply Now on right bottom - enter root password

Then, click on Install Boot Overide - enter root password

Reboot the computer and the microphone should work