Possible commands for troubleshooting sound on linux

1. Could you please try disabling the onboard sound from BIOS settings. If the disabling of onboard sound doesn't help, please provide us the following command output,
#aplay -l
#cat /proc/asound/cards
#cat /proc/asound/modules
#cat /proc/asound/devices

2. Please run the following command,
# alsactl -f alsactl.out store 0

This will generate alsactl.out file for card ID 0. Provide us the alsactl.out file from your system to check for different settings.

3. Also, provide us the screenshot of the following command,
# alsamixer -V all

4. This is to test the speakers
# speaker-test -Dhw:0,0 -c2 -t wav