


You might want to press that key in order to see if it unmutes the sound. Some computers have mute keys or switches on their keyboards. Make sure this is not the case by checking the volume icon on the system menu. It might seem unlikely, but sometimes, the sound might be muted. Read: How to manage sound on Ubuntu 18.04 Is the sound muted ? If this is not successful, try to select another device and change the profile. Now try to play a sound to check if it operates properly. On the Output tab, select a device and modify the Profile settings. Next click on the Sound icon to open the panel. Open up the Activities overview screen and type in ‘Sound’. In order to do this, follow the steps below :

You should therefore ensure by trial and error that the correct sound device is selected. Some of these devices are able to output sound yet some others do not. Some Linux computers have several sound devices installed. Read: How to view your sound card information using the terminal in Ubuntu 18.04 Selection of the correct sound device Killall pulseaudio rm -r ~/.config/pulse/* Try to run the commands below in order to fix this : In such situations, it might be related to a permission issue with the pulseaudio config file. Sometimes, especially when you upgrade from a previous version onto a higher LTS version like Ubuntu 18.04, sound devices cannot be detected as shown in the snapshot below : In this tutorial, we will outline some of the most common solutions that might help fix sound issues on your Ubuntu 18.04 system. Sometimes they may be related to a bad configuration of the speaker settings, or to a non supported hardware. These problems are common on Linux distros but in most cases, they are easy to solve. There are however some sound problems with certain types of hardware or even configurations. Ubuntu 18.04 was possibly the most compatible and powerful of all Ubuntu versions.
