Acp: Hda Node [top]
If you see an exclamation mark or "Unknown Device" for the ACP HDA Node, your system likely lacks the specific audio co-processor firmware or chipset package.
cat /proc/asound/cards
If you see an exclamation mark or "Unknown Device" for the ACP HDA Node, your system likely lacks the specific audio co-processor firmware or chipset package.
cat /proc/asound/cards