Ubuntu No Sound Fix

The no sound issue can occur as a result of a faulty hardware, unsupported drivers, or simply the absence of a driver. In any of the scenarios, the sound will not be outputted from the device resulting in a very bad situation. Especially if you love listening to music or watching movies from your Ubuntu PC, this can be annoying.

So, here are the methods that you can try to fix the Ubuntu no sound issue. We recommend to follow them in the same order like we listed them. This will make sure that you tried the easiest fixes before getting into the complex ones.

1. Make sure that your Hardware is working fine

The first and most important thing you should check before going to fix the no sound issue is the hardware of your computer. If you enjoyed the sound on your system just hours before upgrading to the new OS, your sound hardware might be doing good and no further diagnosis required. But, if you are having this sound issue on an old PC which you just turned on after several months, you should suspect the hardware as well. If you are not proficient in checking the hardware, you could consult an expert to help you out.

If you don’t want to consult an expert and wanted to make sure that the hardware is working fine, you could try installing a Windows OS (Preferably Windows 10) which comes with the audio driver built-in. If the audio is working fine on Windows, you can confirm that the hardware is working fine. You can also try unplugging and plugging the audio devices such as headphones, speakers, etc. to diagnose the hardware.

2. Check volume and speaker settings

You cannot hear the sound without turning the volume up. Make sure that your speaker is not muted and the volume is high enough. If everything seems to be alright in that part, now let’s dig a little deeper in your Ubuntu speaker settings screen. Click on the Sound icon > Sound Settings. It will open the sound settings window where you can adjust the settings of your speaker.

Based on the version of the Ubuntu you are using, this screen may vary slightly. In the Sound settings, make sure that the correct speaker is selected, the volume is not muted, and the profile is correct. You can try changing them and use the Test Speakers button to test the output. Also, you can turn off the Over-amplification feature to see if it is working.

3. Check the ALSA Mixer and Reload

For those who don’t know, alsamixer is a graphical mixer program for the Advanced Linux Sound Architecture (ALSA) that is used to configure sound settings in the Ubuntu. In simple terms, we can use it to diagnose the issue with your Ubuntu sound. To configure it yourself.

1. Open the terminal in your Ubuntu.
2. Type alsamixer and press the Enter. You will see something like this in your terminal.
3. Press F6 and choose the sound card installed on your system. In most of the cases, the system will automatically detect the correct sound card. If not, you can manually change it.
4. You can select the volume control using the left and right keys and up and down arrow keys to increase and decrease volume levels.
5. The muted volume control will display “MM” below the volume bar. So if your audio mixer is muted, just press the M button on your keyboard and it will change to “OO” which means the mixer is not muted.
6. Once you are done with the configuration, press Esc.

Now, to make sure that all the changes take effect, you can reload the ALSA by typing sudo alsa force-reloadin the terminal.

4. Reinstall the ALSA Mixer and Pulse Audio

If configuring the ALSA mixer doesn’t solve the issue even after reloading it, you can now try reinstalling them using the following commands.

sudo apt remove --purge alsa-base pulseaudio
sudo apt install alsa-base pulseaudio

This will reinstall the ALSA mixer and the Pulse audio on your Linux machine and make sure that everything is working fine. Many of our readers reported that this method worked for them. So, if any of the above methods didn’t work for you, just reinstall the ALSA mixer and Pulse audio on your Ubuntu system.

5. Edit speech-dispatcher file

This method doesn’t have much success rate. However, you can still give it a try.  Speech-dispatcher is a daemon that programs can use to output speech. So, in case this function is creating complications with your audio devices or programs, we can simply turn it off by running the following command in the Ubuntu terminal.

sudo gedit /etc/default/speech-dispatcher

In here, change RUN=yes to RUN=no

6. Install Ubuntu Audio Development Team Driver

Like in any operating systems, Ubuntu also comes with a bunch of sound drivers to support the hardware. So, if your system is extremely outdated and you have the most advanced hardware powering it, this can sometimes cause issues with the sound output. So, you can install the Ubuntu audio development team driver by running the following commands. If the driver is already present in your OS, the commands will simply upgrade them to the latest version.

sudo add-apt-repository ppa:ubuntu-audio-dev
sudo apt-get update
sudo apt-get dist-upgrade

We hope you fixed the issue by now. If not, do not hesitate to leave a comment and let us know what are the problems you are facing. We will try our maximum to help you out and provide the necessary guides which will help you to solve the problem.