How to Fix No Audio Output Device Is Installed Error in Windows 10. Hi this is Azad With Another Most Common Windows 10 Problem. Are You Facing Fix No Audio Output Device Is Installed Error in Windows 10 ?? In This Video I am Going To Show You How To Fix this How to Fix No Audio Output Device Is Installed Error in Windows 10 Step 1: GO to Device Manager. Step 2: Now CLick On Sound Step 3: Now CLick On Available Driver Installed "Note: It May Vary. In My device it Realtek in your the device it ma