In the Device Manager window, expand the Sound, Video, and Game Controllers category.Go to the Start menu or Cortana and search for and open Device Manager.You can also update the Realtek HD Audio driver directly from Device Manager. The easiest way to confirm if your PC’s audio issue is caused by the audio driver is to check the audio device in Device Manager. To quickly fix the problem, you need to download and update the Realtek HD Audio Driver.Īlso see: How to Update Realtek Drivers in Windows 11 Confirm Audio Driver Issues This could be due to outdated, missing, or corrupted audio drivers caused by recent changes in your Windows PC.