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. Support OS: Windows 8, Windows 8.1, Windows 10 - 32/64 bit.
Follow the instructions to choose a preferred system restore point to restore your system to a previous state. - Use the links on this page to download the latest version of Realtek I2S Audio Codec drivers.
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. Realtek audio driver is not working on Windows 10. Alternatively, you can also go to Realtek official website to download and install the Realtek audio driver for your PC. Restart your PC to automatically reinstall Realtek audio driver.Tick “Delete the driver software for this device” option and click Uninstall to uninstall Realtek audio driver from your Windows 10 computer.Right-click Realtek Audio or Realtek High Definition Audio under “Sound, video and game controllers”.Press Windows + X, select Device Manager to access it.