Sound Gone. Dummy Output

New to this. Pardon me for any mistakes.

Sound gone suddenly and output device shoing Dummy Output only. Not any system update related to audio device. Tried following links

https://askubuntu.com/questions/1059619/sound-card-shown-as-dummy-output-in-ubuntu-18-04

https://forums.linuxmint.com/viewtopic.php?t=268499

https://www.maketecheasier.com/fix-no-sound-issue-ubuntu/

pacmd list-cards shows 0 cards

sudo lspci -vv | grep -i audio

00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
 Subsystem: Lenovo Sunrise Point-LP HD Audio

Below is the Output of the command: wget -O alsa-info.sh http://www.alsa-project.org/alsa-info.sh && chmod +x ./alsa-info.sh && ./alsa-info.sh

wget -O alsa-info.sh http://www.alsa-project.org/alsa-info.sh && chmod +x ./alsa-info.sh && ./alsa-info.sh
--2020-03-31 05:33:46-- http://www.alsa-project.org/alsa-info.sh
Resolving www.alsa-project.org (www.alsa-project.org)... 207.180.221.201
Connecting to www.alsa-project.org (www.alsa-project.org)|207.180.221.201|:80... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: https://www.alsa-project.org/alsa-info.sh [following]
--2020-03-31 05:33:46-- https://www.alsa-project.org/alsa-info.sh
Connecting to www.alsa-project.org (www.alsa-project.org)|207.180.221.201|:443... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: https://git.alsa-project.org/?p=alsa-utils.git;a=blob_plain;f=alsa-info/alsa-info.sh [following]
--2020-03-31 05:33:47-- https://git.alsa-project.org/?p=alsa-utils.git;a=blob_plain;f=alsa-info/alsa-info.sh
Resolving git.alsa-project.org (git.alsa-project.org)... 207.180.221.201
Connecting to git.alsa-project.org (git.alsa-project.org)|207.180.221.201|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: unspecified [application/x-sh]
Saving to: ‘alsa-info.sh’

alsa-info.sh [ <=> ] 25.87K --.-KB/s in 0.001s

2020-03-31 05:33:48 (28.2 MB/s) - ‘alsa-info.sh’ saved [26489]

ALSA Information Script v 0.4.64
--------------------------------

This script visits the following commands/files to collect diagnostic
information about your ALSA installation and sound related hardware.

  dmesg
  lspci
  aplay
  amixer
  alsactl
  /proc/asound/
  /sys/class/sound/
  ~/.asoundrc (etc.)

See './alsa-info.sh --help' for command line options.

alsactl: save_state:1595: No soundcards found...
cat: /tmp/alsa-info.6slXJfD9BQ/alsactl.tmp: No such file or directory
Automatically upload ALSA information to www.alsa-project.org? [y/N] : y
Uploading information to www.alsa-project.org ... Done!

Your ALSA information is located at http://alsa-project.org/db/?f=4bb267b87d52bcab9a6153ae76709bfadf35cbbd
Please inform the person helping you.

Please help.