Every time that I update Ubuntu, I kill my mic input. I keep forgetting how I previously solved the problem. So now I’m going to document the fix (which I did last week).
- Backed-up the alsa-base file with this command: “sudo cp /etc/modprobe.d/alsa-base /etc/modprobe.d/alsa-base_bak”.
- Opened the file with gedit with this command: “sudo gedit /etc/modprobe.d/alsa-base”.
- Added the following line to the end of the file: “options snd-hda-intel model=ref”. Then saved the file.
- Rebooted the computer.
- After rebooting, I tinkered with the volumes. Double-clicked the main volume control. First, made sure all controls were displayed. To do so, I clicked on preferences under the Volume Control window’s edit menu. Made sure all entries in this list were checked.
- Next, made sure Input Source is “Mic”.
- Verified that the capture volume was not muted and was increased to the maximum value.
