Article 6N560 No sound after OS installation

No sound after OS installation

by
sox
from LinuxQuestions.org on (#6N560)
Hello,
Few days ago I made a fresh install of kubuntu 24 lts and I do not have sound, there is notification no output or input devices found.

I have tried many tricks found on websites, like re/installing pulse, alsa, pipewire, modyfying grub, but none of them helped a little, pulse still shows dummy output. I also checked few other current distros like fedora, neon, mx or older kubuntu 22 in live mode and all of them have the same issue.

How to troubleshoot this issue?

BTW bluetooth headset works fine.

Code:aplay -l
**** List of PLAYBACK Hardware Devices ****
card 1: HDMI [HDA Intel HDMI], device 3: HDMI 0 [HDMI 0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: HDMI [HDA Intel HDMI], device 7: HDMI 1 [HDMI 1]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: HDMI [HDA Intel HDMI], device 8: HDMI 2 [HDMI 2]
Subdevices: 1/1
Subdevice #0: subdevice #0

aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
lavrate
Rate Converter Plugin Using Libav/FFmpeg Library
samplerate
Rate Converter Plugin Using Samplerate Library
speexrate
Rate Converter Plugin Using Speex Resampler
jack
JACK Audio Connection Kit
oss
Open Sound System
pipewire
PipeWire Sound Server
pulse
PulseAudio Sound Server
speex
Plugin using Speex DSP (resample, agc, denoise, echo, dereverb)
upmix
Plugin for channel upmix (4,6,8)
vdownmix
Plugin for channel downmix (stereo) with a simple spacialization
default
Default ALSA Output (currently PipeWire Media Server)
front:CARD=NVidia
Front output / input
surround21:CARD=NVidia
2.1 Surround output to Front and Subwoofer speakers
surround40:CARD=NVidia
4.0 Surround output to Front and Rear speakers
surround41:CARD=NVidia
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=NVidia
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=NVidia
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=NVidia
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
usbstream:CARD=NVidia
HDA NVidia
USB Stream Output
hw:CARD=HDMI,DEV=3
HDA Intel HDMI, HDMI 0
Direct hardware device without any conversions
hw:CARD=HDMI,DEV=7
HDA Intel HDMI, HDMI 1
Direct hardware device without any conversions
hw:CARD=HDMI,DEV=8
HDA Intel HDMI, HDMI 2
Direct hardware device without any conversions
plughw:CARD=HDMI,DEV=3
HDA Intel HDMI, HDMI 0
Hardware device with all software conversions
plughw:CARD=HDMI,DEV=7
HDA Intel HDMI, HDMI 1
Hardware device with all software conversions
plughw:CARD=HDMI,DEV=8
HDA Intel HDMI, HDMI 2
Hardware device with all software conversions
hdmi:CARD=HDMI,DEV=0
HDA Intel HDMI, HDMI 0
HDMI Audio Output
hdmi:CARD=HDMI,DEV=1
HDA Intel HDMI, HDMI 1
HDMI Audio Output
hdmi:CARD=HDMI,DEV=2
HDA Intel HDMI, HDMI 2
HDMI Audio Output
dmix:CARD=HDMI,DEV=3
HDA Intel HDMI, HDMI 0
Direct sample mixing device
dmix:CARD=HDMI,DEV=7
HDA Intel HDMI, HDMI 1
Direct sample mixing device
dmix:CARD=HDMI,DEV=8
HDA Intel HDMI, HDMI 2
Direct sample mixing device
usbstream:CARD=HDMI
HDA Intel HDMI
USB Stream Output

lspci -k | grep Audio
00:03.0 Audio device: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller (rev 06)
Subsystem: Lenovo Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller
01:00.1 Audio device: NVIDIA Corporation GM107 High Definition Audio Controller [GeForce 940MX] (rev a1)
Subsystem: Lenovo GM107 High Definition Audio Controller [GeForce 940MX]

lsmod | grep snd_hda_intel
snd_hda_intel 61440 1
snd_intel_dspcfg 36864 1 snd_hda_intel
snd_hda_codec 217088 2 snd_hda_codec_hdmi,snd_hda_intel
snd_hda_core 151552 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_pcm 200704 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
snd 147456 13 snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_timer,snd_pcm,snd_rawmidi
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