Uninstalling driver can cause significant sound errors, such as “ no audio output device is installed windows 7 Realtek.” Download the Realtek high-definition audio manager to customize your sound experience. Many users are fond of this driver since it improves audio device quality. It helps manage the sound, DTS sound system, and Dolby on the computer. Realtek audio driver is one of the most popular audio drivers pre-installed in windows 10.
03 How to Restore Unplayable Audio on Local PC Part 1: What is Realtek Audio Driver?