Just like most Windows 10 errors, it’s quite hard to pinpoint only one source for your audio not working properly. Causes of“No Audio Output Device is Installed” error? Continue reading to find out how you can fix the “No Audio Output Device is Installed” error. In this article, we’ll be sure to help you learn more about this error, and show you the most effective ways to troubleshoot it. The error usually shows up with a red cross symbol next to the audio control in the system tray. ” This means that you’re unable to listen to any sound on your computer, making it hard to relax or potentially do your work. Many Windows 10 users, especially those who use HP or Dell laptops and PCs, run into an error that says “ No Audio Output Device is Installed.