Then you can access it from the menu by searching: Pulse Audio. Or using the terminal and typing: sudo apt-get update You can install it by using the Linux mint menu: I think that this solution can be applied to Linux Mint, Ubuntu and Debian. Check the fix by restart of pulse audio.How to disable HDMI or microphone device (input and output).How to find all your sound cards / devices.So finally I decided to spend some time, identify the problems and fix them. after a restart or update the input device is changed to the camera microphone - which cause me several problems with meetings and presentations.Even setting the speakers as a default device is not working for me. default sound device - the sound output is from the speakers but the default device are the headphones - so after a restart if I want to increase the volume I need to manually change the device.I have several sound devices on my machine: I am also a hobby vlogger with interests in many areas like music, art, science and more. I work as a programmer and a data scientist (or at least I believe so). I have been using Linux Mint for a years and it has been a great experience.