Development Linux Ubuntu

aplay can’t see sound card on HP pavilion laptop

On ubuntu 19.04 after an update sound stopped. I’ve tried modprobe remedies redoing the downgrading/upgrading the OS back to 18.04. Everything comes up dummy output in the sound settings. Aplay reports:

aplay: device_list:270: no soundcards found...

lspci says:

00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21) (prog-if 80)
    Subsystem: Hewlett-Packard Company Sunrise Point-LP HD Audio
    Flags: bus master, fast devsel, latency 32, IRQ 130
    Memory at b12b0000 (64-bit, non-prefetchable) [size=16K]
    Memory at b1290000 (64-bit, non-prefetchable) [size=64K]
    Capabilities: [50] Power Management version 3
    Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
    Kernel driver in use: snd_hda_intel
    Kernel modules: snd_hda_intel, snd_soc_skl

alsamixer complains:

cannot open mixer: No such file or directory

lsmod | grep snd returns:

snd_soc_skl            86016  0
snd_soc_skl_ipc        65536  1 snd_soc_skl
snd_hda_ext_core       24576  1 snd_soc_skl
snd_soc_sst_dsp        32768  1 snd_soc_skl_ipc
snd_soc_sst_ipc        16384  1 snd_soc_skl_ipc
snd_soc_acpi           16384  1 snd_soc_skl
snd_soc_core          241664  1 snd_soc_skl
snd_compress           20480  1 snd_soc_core
ac97_bus               16384  1 snd_soc_core
snd_pcm_dmaengine      16384  1 snd_soc_core
snd_hda_intel          45056  0
snd_hda_codec         126976  1 snd_hda_intel
snd_hda_core           81920  4 snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_soc_skl
snd_hwdep              20480  1 snd_hda_codec
snd_pcm                98304  7 snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_soc_core,snd_soc_skl,snd_hda_core,snd_pcm_dmaengine
snd_seq_midi           16384  0
snd_seq_midi_event     16384  1 snd_seq_midi
snd_rawmidi            32768  1 snd_seq_midi
snd_seq                65536  2 snd_seq_midi,snd_seq_midi_event
snd_seq_device         16384  3 snd_seq,snd_seq_midi,snd_rawmidi
snd_timer              32768  2 snd_seq,snd_pcm
snd                    81920  10 snd_seq,snd_seq_device,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_timer,snd_compress,snd_soc_core,snd_pcm,snd_rawmidi
soundcore              16384  1 snd

The only advice online I haven’t followed so far is looking in my bios because when I boot into the bios there are no options I can see and access that effect the hardware.

Here are some links I found that didn’t work for me.

"Dummy Output" No sound in Ubuntu 16.04

How to fix "No Soundcards Found"

Xubuntu 17.10 – no sound, alsa says no such file or directory

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