When encountering the "No Audio Output Device is Installed" issue on Windows 7, there are several troubleshooting steps you can take to resolve the problem. Here's a method you can try:
Method: Use Windows Troubleshooter
- Open Control Panel:
- Go to the Start menu, select Control Panel.
- Run the Troubleshooter:
- Click on Troubleshooting.
- Under Hardware and Sound, select Troubleshoot audio playback.
- Follow the prompts to run the troubleshooter.
Additional Steps:
- Check Device Manager:
- Press Win + X and select Device Manager.
- Look for any disabled audio device under Sound, video and game controllers.
- If there is a disabled device, right-click and enable it...