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Thread: No audio on Ubuntu 20.04.2 LTS

  1. #1
    Join Date
    Jun 2021
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    Question No audio on Ubuntu 20.04.2 LTS

    Hello everyone, i'm new on Linux, i installed Ubuntu 20.04.2 LTS, i installed all the drivers but i only got sound on headphones, i also need sound on the line out but it looks like Ubuntu doesn't detect drivers or sound device. My motherboard is Gigabyte GA-Z170X-Gaming 3. Any ideas on how i can resolve this problem? Thanks and sorry for my bad english.

  2. #2
    Join Date
    Mar 2010
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    Ubuntu

    Re: No audio on Ubuntu 20.04.2 LTS

    How did you determine the drivers weren't loaded and working?

    I would use either inxi -Ax or lshw -C multimedia

    For example:
    Code:
    $ lshw -C multimedia
      *-multimedia              
           description: Audio device
           product: GP108 High Definition Audio Controller
           vendor: NVIDIA Corporation
           physical id: 0.1
           bus info: pci@0000:08:00.1
           version: a1
           width: 32 bits
           clock: 33MHz
           capabilities: bus_master cap_list
           configuration: driver=snd_hda_intel latency=0
           resources: irq:84 memory:f6080000-f6083fff
      *-multimedia
           description: Audio device
           product: Family 17h (Models 00h-0fh) HD Audio Controller
           vendor: Advanced Micro Devices, Inc. [AMD]
           physical id: 0.3
           bus info: pci@0000:0a:00.3
           version: 00
           width: 32 bits
           clock: 33MHz
           capabilities: bus_master cap_list
           configuration: driver=snd_hda_intel latency=0
           resources: irq:86 memory:f6800000-f6807fff
    Or
    Code:
    $ inxi -Ax
    Audio:     Card-1 Advanced Micro Devices [AMD] Family 17h (Models 00h-0fh) HD Audio Controller
               driver: snd_hda_intel bus-ID: 0a:00.3
               Card-2 NVIDIA GP108 High Def. Audio Controller driver: snd_hda_intel bus-ID: 08:00.1
               Sound: Advanced Linux Sound Architecture v: k5.4.0-74-generic
    If the audio card isn't in the list, then it wasn't recognized. As you can see above, I have 2 audio controllers - the one of the motherboard and another in the GPU. Guess which one works with HDMI connections? Hint: the GPU. All the others, which are what I actually use via analog speakers or headphones or USB devices go through the motherboard audio controller.

  3. #3
    Join Date
    Jun 2021
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    Re: No audio on Ubuntu 20.04.2 LTS

    I'm so very new at Linux, i don't really sure if the card it's on the list, i think it is but it seems like theres a problem with the drivers... this is the name of the card in the MB i think and the data i can get from Gigabyte site: Realtek ALC1150 115dB SNR HD Audio

    This is what i got:
    inxi -Ax
    Audio: Device-1: Intel 100 Series/C230 Series Family HD Audio vendor: Gigabyte driver: snd_hda_intel v: kernel
    bus ID: 00:1f.3
    Device-2: AMD Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590] vendor: PC Partner Limited
    driver: snd_hda_intel v: kernel bus ID: 02:00.1
    Sound Server: ALSA v: k5.8.0-55-generic
    $ sudo lshw -C multimedia
    *-multimedia
    description: Audio device
    product: Ellesmere HDMI Audio [Radeon RX 470/480 / 570/580/590]
    vendor: Advanced Micro Devices, Inc. [AMD/ATI]
    physical id: 0.1
    bus info: pci@0000:02:00.1
    version: 00
    width: 64 bits
    clock: 33MHz
    capabilities: pm pciexpress msi bus_master cap_list
    configuration: driver=snd_hda_intel latency=0
    resources: irq:143 memory:dfe60000-dfe63fff
    *-multimedia
    description: Audio device
    product: 100 Series/C230 Series Chipset Family HD Audio Controller
    vendor: Intel Corporation
    physical id: 1f.3
    bus info: pci@0000:00:1f.3
    version: 31
    width: 64 bits
    clock: 33MHz
    capabilities: pm msi bus_master cap_list
    configuration: driver=snd_hda_intel latency=32
    resources: irq:142 memory:dff20000-dff23fff memory:dff00000-dff0ffff

  4. #4
    Join Date
    Mar 2010
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    Re: No audio on Ubuntu 20.04.2 LTS

    So, it seems the driver is loaded.

    To validate whether it is a driver version issue or not, boot into any Try Ubuntu flash drive - basically that is just the same flash drive you used to install the OS. Does sound work in that environment? If it does not, then there could be a hardware problem. If it does work, then it is either
    • kernel version
    • settings


    Try booting into the last kernel (grub Advanced page). Does that work? Keep track of the kernel versions that do and don't work.

    Figuring out settings issues is harder. I'd start by creating a new Linux userid, logout, then login under that new username. Does sound work or not? If it does, then the most likely issue is settings. Check whether the output accidentally was muted or turned way down. I've posted about pavucontrol here a few times the last few weeks. Be systematic. Follow what those other posts suggest.

    Each of these options assume you've done the prior testing first. No reason to work on settings if the kernel is the issue.

  5. #5
    Join Date
    Jun 2021
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    5

    Re: No audio on Ubuntu 20.04.2 LTS

    I follow the instructions here: https://www.youtube.com/watch?v=Mn_CqNZaZB8
    It seems Auto-Mute was enabled on Alsamixer. Problem solved!
    Thanks!

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