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Asked: 2024-09-27T14:23:15+05:30 In:

I am experiencing an issue with my Chromebook 433T running Ubuntu 22.04 where there is no sound functioning. Can anyone help me troubleshoot this problem?

I’m in a bit of a bind here and could really use some help from anyone who’s dealt with sound issues on their Chromebook 433T running Ubuntu 22.04. I was just trying to have a chill afternoon listening to some music and maybe watching a few videos, but to my surprise, there’s absolutely no sound coming out! It’s like my Chromebook is totally silent, and I have no clue why.

I’ve tried the obvious things like checking the volume levels and making sure that mute isn’t on, but everything seems fine there. I’ve also fiddled with the sound settings in Ubuntu, but every time I do, it just doesn’t seem to help. I can see that there’s no output device detected, and that’s really concerning because I was just using it the other day without any issues.

I did some poking around online and found a few potential fixes, like checking ALSA mixer settings and running a few commands in the terminal, but honestly, most of that is a bit over my head. I’ve never really been into the whole command line thing – I usually stick to the graphical interface. So, I’m a little lost on what to do next.

If anyone has been through this or knows a straightforward way to get the sound back, that would be amazing! Did I miss something super basic, or is there a potential bug in the latest Ubuntu version that I’m not aware of? Also, if you have any step-by-step tips or commands I can run to diagnose the problem, that would be super helpful.

I’d really prefer not to reset anything because, you know, it’s always a hassle getting everything back to how I like it afterward. So, if you’ve had a similar experience or have tips on troubleshooting sound issues specifically for my Chromebook model, please share! I’m all ears… well, if they would just start working again! Thanks in advance for any suggestions!

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    2 Answers



    1. Sound Issues on Chromebook 433T running Ubuntu 22.04

      Sound Issues Help!

      Sounds like you’re having a frustrating time! Here are some simple things you could try to fix your sound issue:

      1. Check Sound Settings

      Even if you already checked, it doesn’t hurt to double-check:

      • Click on the sound icon in the top right corner.
      • Make sure the correct output device is selected (like your speakers or headphones).
      • Check if the volume is turned up!
      • Look for a “mute” option and ensure it’s off.

      2. Open Terminal (If You’re Brave!)

      If you’re willing to give the terminal a shot, here are a couple of commands to help you out:

      • Type alsamixer and hit Enter. You’ll see a mixer interface. Use the arrow keys to navigate and make sure nothing is muted (MM indicates mute, OO indicates on).
      • To exit, just press Esc.

      3. Restart PulseAudio

      Another command you can try:

      pulseaudio -k
pulseaudio --start

      This will restart the audio server, which might fix the problem!

      4. Check for Updates

      Make sure your system is up to date. Run these commands:

      sudo apt update
sudo apt upgrade

      Sometimes bug fixes come with updates!

      5. Reboot

      If all else fails, just restarting your Chromebook might help restore sound. It’s a classic troubleshooting step!

      6. Search for Community Help

      If nothing seems to work, consider checking forums like the Ubuntu forums or Ask Ubuntu. Chances are someone else has faced the same issue!

      Hopefully, one of these steps will get your sound back! Good luck!



    2. First, it’s good to know that you’ve already checked the volume levels and made sure that mute options are set correctly. It sounds like your Chromebook may have trouble detecting the audio output devices. To troubleshoot this, first, you can try restarting the PulseAudio service, which often resolves many audio issues in Ubuntu. Open the terminal by pressing Ctrl + Alt + T and type the following command: pulseaudio -k followed by pulseaudio --start. This will kill and then restart the PulseAudio server, which can help it recognize the audio devices connected to your Chromebook. If the sound is still not working, you may want to check the sound settings again to ensure that the correct output device is selected.

      If the above doesn’t yield any results, you could try looking into the ALSA mixer settings for your sound card. In the terminal, type alsamixer to open the mixer interface. Use the arrow keys to navigate and check that the Master and PCM channels are turned up and not muted (indicated by ‘MM’ below the slider). If you see ‘MM’, press the ‘M’ key to unmute. Finally, if you’re still experiencing issues, check if your system is up to date by running sudo apt update && sudo apt upgrade and seeing if there are any pending audio driver updates. If none of these solutions work, it may be worth checking online forums for any specific bugs reported for your model with Ubuntu 22.04.


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