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I need help.

I have installed Ubuntu 20.04 on my Toshiba CB35-B3340, no dual booting. I have no sound from my speakers or headphones.

When I go to sound settings, the only output device shown is HDMI/Display port.

When I run alsamixer, I only see S/PDEF, there is no master or headphones, etc.

I have tried many of the suggestions posted without success. I am not too experienced, but will to try. Any suggestions are appreciated.

jsaff1902
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2 Answers2

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  1. Use aplay -l to see your playback hardware devices.

  2. You should see your device sound card, according to your notebook, look for the one that looks like (Make sure that it refers to analog output):

    card 0: PCH [HDA Intel PCH], device 0: ALC887-VD Analog [ALC887-VD Analog]

  3. Make a new configuration file: sudo gedit /etc/asound.conf

  4. Put the following and save the file:

    defaults.pcm.card 0 # Replace with your card number
defaults.pcm.device 0 # Replace with your device number

  5. Reboot your computer.

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Credits: https://gist.github.com/jeremy-breidenbach/92fc648ed2590ff9cd3a0ae57ed98e4a

This has worked for me in Ubuntu 24.04. I will suggest upgrading if you wish.

Download the "asound.state" file in the link above. Kill all the audio services with sudo alsa force-unload. After, run sudo cp ~/Downloads/asound.state /var/lib/alsa to replace the system's sound config file with the "asound.state" file. Then reboot. You should have sound.

E.S
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