Audio Output | Realtek
When you see "Realtek High Definition Audio" in your sound settings, it means the system is using the official Realtek drivers to communicate with your hardware. This driver supports high-quality surround sound, Jack Detection (knowing when you plug something in), and various sound effects. How to Configure Your Output Settings
Right-click and select Update driver . Choose "Search automatically for drivers." 3. The "Not Plugged In" Error realtek audio output