Linux Mint

How To Fix No Sound in Linux Mint 21

Some common sound issues might occur on your Linux Mint system like audio not working properly, or problems connecting with the external audio device. These failures can be caused because of faulty hardware and software and one of the most common reasons for no sound in Linux Mint is after updating and upgrading to the newest version. If you are facing the no sound issue on your Linux system, you may not be familiar with the proper way of resolving this issue. This tutorial shows the fixes for the no-sound issues on Linux Mint 21.

How to Fix No Sound in Linux Mint 21 via PulseAudio Volume Control Utility

To fix the no sound issue in the Linux Mint 21, first, open the terminal by pressing the Ctrl + Alt +T. The first step is to check the audio device of your system. To do so execute the below given command; if the audio sound exists on your system, you will be able to find the make and model of the device:

lspci -v | grep -i audio

After identifying the audio device, the next step is to fix the issue, for this first update the system with the update command. Next, run the following command to install the pulseaudio-module-zeroconf package on your system:

sudo apt-get install pulseaudio-module-zeroconf

Once the above package installation is finished, install the pavucontrol via the following command; this command will take some time depending on your internet connection:

sudo apt-get install pavucontrol

Once the installations are added to the system, reboot your device. Now search for the PulseAudio Volume Control from the launcher to open it:

A new window will open, click on the Configuration tab and choose your audio device:

Navigate to the Output Devices tab and unmute your audio device by clicking on the speaker icon present in front of it. If the icon is green by default it means that your audio device is unmuted:

How to Fix No Sound in Linux Mint 21 With alsamixer Utility

Install the inxi tool to get detailed information about your audio device. For the installation of this tool execute the following command:

sudo apt install inxi

After installing this command line utility, run the following command in the terminal to check the system and audio information:

inxi -SMA

Now launch the alsamixer through the terminal via the below given command:


Check from the output that the required speaker is muted or unmuted, the Master is mostly the speaker of the device. You can scroll through the audio devices using the left and right arrow keys. The MM means the device is muted and OO means the device is unmuted. If your audio device is muted then unmute it by selecting it and pressing the M key. Exit the output with the Esc key

If there is still a problem you can type the following command in your terminal:

amixer set Master unmute

Bottom Line

Sound is an important factor for many users and devices so if it happens in laptops, users find it frustrating. Normally, the audio works fine in the Linux Mint, but sometimes you might face issues. There are various reasons why this has happened. But by following the fixes mentioned above you can fix the no-sound issues of your Linux Mint 21 within a few minutes.

About the author

Zainab Rehman

I'm an author by profession. My interest in the internet world motivates me to write for Linux Hint and I'm here to share my knowledge with others.