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Is there a problem with ALSA and PulseAudio?
From there used a PCM formatted wav file aplay -D plughw:0,0 test.wav which gave: But nothing! no sound nowhere, speakers or headphones. I conculded that it’s an ALSA problem and not a PulseAudio issue, but I do have a doubt as PulseAudio daemon was running throughout this step.
Why is my sound card not recognizing ALSA?
If ALSA is working, you could hear the sound. I think that pulseaudio is running in system in your system. But there may be some compatible issues between alsa-lib and snd-hda-intel driver. Check the results on “ports”. If you can’t see something related to speaker, it means sound card can’t be recognized by pulseaudio.
How to get sound to work on Firefox on ALSA?
For now only real “solution” to get sound working in Firefox on ALSA systems is to either downgrade to an earlier version of Firefox; switch to Firefox ESR (which still has ALSA support at the time of writing); switch to a different browser entirely (Chromium plays nicely with ALSA) — or suck it up and install PulseAudio. Thanks Adam H.
Why is there no sound on PulseAudio in Ubuntu?
Pulseaudio does not start after the last software update. No sound and no readings in the sound setting. You can restart pulseaudio until the next system boot: I searched the descriptions for the pulseaudio setting. After restarting Ubuntu, the thanks is detected correctly.
How to check ALSA codec on a laptop?
You can check your laptop model by running alsa_info.sh and looking at “Board Name”. The Realtek ALC298 codec in the NP930SBE-K01US and NP930MBE-K04US identifies itself with “Subsystem Id” 0x144dc169 and 0x144dc176, respectively.
Is there a way to override ALSA pins?
The solution uses a kernel feature called “Early Patching” to optionally override the default pins, verbs, model and other ALSA specific attributes. You can find complete information including an alternative custom kernel patch on Arch Linux Forums. Try these instructions in below.