Reinstall Realtek HD Audio Driver in Windows 10 If Realtek HD Audio Manager is missing in Windows 10, you can try to update Realtek HD Audio Driver.
Update Realtek HD Audio Driver in Windows 10 Find RtkNGUI64 application file in File Explorer window, and double-click it to open Realtek HD Audio Manager.Open File Explorer, and go to C:\Program Files\Realtek\Audio\HDA.
If you can’t find Realtek HD Audio Manager in Control Panel, you can check if you can find it in File Explorer.Check If You Can Find Realtek HD Audio Manager in File Explorer