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Asked: 2024-09-27T00:08:40+05:30 In:

How can I restore the default audio output mode on Ubuntu 20 when it’s currently set to dummy output?

I’ve been messing around with my audio settings on Ubuntu 20, and now it feels like I’m living in a silent movie. For some reason, my audio output is stuck on this “dummy output” setting, and I can’t figure out how to get it back to normal so I can hear anything again! It’s been such a frustrating experience, especially since I was just trying to adjust the volume for some music. Now it feels like I’ve locked myself in an audio-less zone.

I’ve scoured the internet, checking forums and all the Ubuntu documentation, but a lot of the solutions seem to be aimed at more advanced users. I mean, I know my way around a computer, but diving into the terminal and changing things makes me nervous. Is there anyone out there who has had the same issue or knows how to solve this without having to look like I’m coding a spaceship launch?

What I’ve tried so far hasn’t worked. I’ve rebooted my system, fiddled around in the audio settings, and even disconnected and reconnected my speakers, but nothing seems to change. I keep getting this silly “dummy output” message. It’s like my laptop has decided to go on a sound strike or something. All I want is to restore the default audio output mode, but every time I search for instructions, it’s like I get bombarded with so much technical jargon.

I remember switching the output devices a little while back, and maybe that’s when it all went sideways? If anyone has a step-by-step guide or some less techy advice to help fix this, I’d be super grateful! Or even if you could share what worked for you in a similar situation. I just want to get back to enjoying my music and not feel like I’m missing out on something essential. Thanks in advance for any help you can share!

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    2 Answers

    1. Fixing Dummy Output on Ubuntu 20

      It sounds like you’re dealing with a frustrating audio situation! Here’s a simple guide to help you get your sound back:

      1. Check Sound Settings

      First, let’s make sure your sound settings are correct:

      1. Click on the sound icon in the top-right corner of your screen.
      2. Select Sound Settings.
      3. In the Output tab, see if your speakers or headphones are listed.
      4. If you see Dummy Output, don’t panic yet!

      2. Restart Audio Services

      A simple restart might do the trick:

      1. Open the Terminal (you can find it by searching “Terminal” in your apps).
      2. Type the following command and press Enter:
        3. sudo pulseaudio -k
      3. This will kill the audio service. Now, let’s restart it:
        4. pulseaudio --start

      This might restore your audio without too much hassle!

      3. Check ALSA Mixer

      If the above doesn’t work, let’s check the ALSA mixer:

      1. In the Terminal, type:
        2. alsamixer
      2. Use the Arrow keys to navigate.
      3. Look for your sound card. If you see it, make sure nothing is muted (look for MM – muted, OO – unmuted).
      4. If it’s muted, press M to unmute it.

      4. Reboot

      Sometimes, a good old reboot can help. Restart your system and see if the sound comes back!

      5. Check for Drivers

      If none of this worked, you might want to check for driver issues:

      1. Search for “Software & Updates” in your apps.
      2. Click on the Additional Drivers tab.
      3. Let it load and see if it suggests any proprietary drivers. Sometimes, installing these can fix sound issues!

      If you’re still having trouble, don’t hesitate to ask in Ubuntu forums or check for help specific to your laptop model. Good luck, and may your audio return soon!

    2. Your “dummy output” issue in Ubuntu 20 often arises from audio drivers not recognizing your output device properly. First, try to install or update the ALSA and PulseAudio drivers. Open the terminal (you can do this by pressing Ctrl + Alt + T) and run the following commands:


      sudo apt update && sudo apt install --reinstall alsa-base pulseaudio

      After you’ve reinstalled, reboot your machine to see if it resolves the issue. If you’re still encountering the “dummy output,” check your output settings by going to Settings > Sound. Ensure that your correct output device is selected. You might also want to try running:


      pactl list short sinks

      to see if your output devices are being recognized. Sometimes, simply toggling between the devices can prompt them to work. If the problem persists, you may need to check your audio hardware and connections to make sure they are not the root of the problem. Your laptop might be trying to output sound to a non-existent device. Following these steps should help you regain your audio capabilities.

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