At various times, sound is not working after boot up. I would like to know if this is a hardware problem or a software problem. And why it is happening randomly.
I have the following:
- Alsa-info (https://wiki.ubuntu.com/Audio/AlsaInfo)
- pulseverbose-log (https://wiki.ubuntu.com/PulseAudio/Log)
- Output from the sound trouble shooting guide (https://help.ubuntu.com/community/SoundTroubleshootingProcedure)
I am using Ubuntu 18.04.4.
My computer is a Clevo N350TW.
Output from cat /proc/asound/car*/co* | grep Codec when the sound is working is:
Codec: Realtek ALC892
Codec: Intel Kabylake HDMI
(When the sound is not working, "Realtek ALC892" is missing from the output.)
