If Realtek audio driver is not working and your Windows 10 computer has no sound, you can try the 5 tips to see if they can help fix this problem.
Right-click the default device Realtek Digital Output and click Properties.
To install the latest Windows 10 updates, you can press Windows + I, click Update & Security -> Windows Update, and click Check for updates button to automatically install the latest Windows updates on your Windows 10 computer. You can also check for Windows updates to update your OS to the latest version. It might be caused by the driver incompatibility issue. Version 3.4.1.0 - Addition: From Windows 7 upwards to the USB device driver for USB gateways is now installed by the. Fixed access to NETLink-USB driver as normal user after using it as administrator. Fixed setup under Windows Server 2003R2 with active 'Terminal Server Role'. Realtek audio driver is not working on Windows 10. Special character are not allowed as station names. Alternatively, you can also go to Realtek official website to download and install the Realtek audio driver for your PC.