Sometimes it just takes downloading a new driver, while other times you might need a replacement for your sound card.īefore you assume it is one or the other, review these common errors and solutions. Learning how to fix Realtek audio issues means first identifying the problem you have, then finding the right troubleshooting steps to correct it. While it is pre-installed on your PC, it doesn’t mean it is free of common errors. As a Windows 10 user, you might have noticed your PC came equipped with Realtek High Definition audio drivers.