Update NVIDIA High Definition Audio Drivers for Windows 10 / 8.1/7 - YouTube
Nvidia High Definition Audio Has no Sound? Try These 7 Fixes
Download & Update Nvidia High Definition Audio Driver Windows 11, 10, 8, 7
How to Update NVIDIA HD Audio Drivers for Windows 10
SOLVED: NVIDIA High Definition Audio No Sound Issue - YouTube
NVIDIA GPU is not getting recognized in windows - code 12 driver error - Drivers - Linux, Windows, MacOS - NVIDIA Developer Forums
my friend uninstalled realtek audio driver, now his speakers and headset are not working (now he is using his inbuilt speakers on his monitor which use nvidia audio driver connected via hdmi) :
How to do a clean install an NVIDIA display adapter device driver