[GP63 Leopard 8RE, Nvidia GPU 84 HDMI/DP, Digital Out, HDMI] No sound at all

[Awet Haileslassie Gebrehiwot]

while doing Deeplearning training my computer battery finished and my laptop turned off suddenly.
when i turn it on back the audio failed.
i have tried may option to fix the issue but noting worked

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: alsa-base 1.0.25+dfsg-0ubuntu5
ProcVersionSignature: Ubuntu 4.15.0-96.97-generic 4.15.18
Uname: Linux 4.15.0-96-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.14
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: msi_awet 1909 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Tue Apr 14 20:30:13 2020
InstallationDate: Installed on 2019-11-14 (152 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:NVidia failed
Symptom_Card: GP106 High Definition Audio Controller - HDA NVidia
Symptom_DevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: gdm 1502 F.... pulseaudio
                      msi_awet 1909 F.... pulseaudio
Symptom_Jack: Digital Out, HDMI
Symptom_Type: No sound at all
Title: [GP63 Leopard 8RE, Nvidia GPU 84 HDMI/DP, Digital Out, HDMI] No sound at all
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/20/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: E16P5IMS.110
dmi.board.asset.tag: Default string
dmi.board.name: MS-16P5
dmi.board.vendor: Micro-Star International Co., Ltd.
dmi.board.version: REV:1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Micro-Star International Co., Ltd.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrE16P5IMS.110:bd05/20/2019:svnMicro-StarInternationalCo.,Ltd.:pnGP63Leopard8RE:pvrREV1.0:rvnMicro-StarInternationalCo.,Ltd.:rnMS-16P5:rvrREV1.0:cvnMicro-StarInternationalCo.,Ltd.:ct10:cvrN/A:
dmi.product.family: GP
dmi.product.name: GP63 Leopard 8RE
dmi.product.version: REV:1.0
dmi.sys.vendor: Micro-Star International Co., Ltd.
mtime.conffile..etc.modprobe.d.alsa-base.conf: 2020-04-11T21:38:46.914721