Find the Realtek HD Audio Driver from the installed program list and uninstall it.
Then open the control panel section of your PC and navigate to the following path: Control Panel\Programs\Programs and Features. Download, Re-install and Fix Realtek HD Audio Manager Missing Problem in Windows 10/11 Step : Uninstall existing Realtek Audio Driver A thorough inspection is required to make the software work normally. There might be an audio driver corruption or confliction issue that prevents the Realtek HD Audio Driver from working correctly. A personal PC user if finds this item missing from the PC, then that should be a cause of worry.