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Thread: Sound not working after updating kernel

  1. #1
    Join Date
    Apr 2024

    Sound not working after updating kernel

    Hey everyone,
    I've been encountering an issue with my Dell G3 running Ubuntu 22.04. Everything was fine until I updated my system last week with a new kernel using the commands:

    >>> sudo apt update
    >>> sudo apt dist-upgrade

    Since then, my audio has gone silent. In the system settings under Sound, I now see "Cannon Lake PCH cAVS" as the output device, whereas it used to show something else. Adding

    >>> GRUB_CMDLINE_LINUX_DEFAULT="quiet splash snd_hda_intel.dmic_detect=0"

    to /etc/default/grub restores the audio, but unfortunately, my microphone no longer works. It seems like there might be a regression in the latest kernel update. Has anyone else encountered a similar issue? Any ideas or suggestions would be greatly appreciated!

  2. #2
    Join Date
    Apr 2024

    Re: Sound not working after updating kernel

    Hi everyone,
    I wanted to share a solution for this issue I was experiencing with my computer's sound. Despite having the volume set to the maximum in Settings -> Sound, I couldn't hear anything from the internal speaker. After some troubleshooting, I managed to fix the problem, and here's how:

    1. Open your terminal.
    2. Type alsamixer and press Enter to launch the mixer.
    3. Press F6 to select your sound card. In my case, I chose "sof-hda-dsp."
    4. Navigate to "PGA 1.0" and "PGA 3.0."
    5. Increase the volume bars to maximum for these settings.

    This adjustment brought the sound back on my system. I hope this helps anyone facing a similar issue!


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