Troubleshooting an Echo Dot with no sound can be frustrating, but with the ultimate guide, you can quickly resolve the issue. First, check the device's physical connections: ensure it's properly plugged in and the volume isn't muted. If that's not the problem, inspect the Alexa app to confirm your Echo Dot is correctly configured, and the device is online. Next, verify that the Echo Dot isn't paired with another Bluetooth device, which can redirect audio. If all else fails, try a factory reset by holding the action button for 25 seconds, then reconfigure it. This comprehensive guide will help you restore sound to your Echo Dot, ensuring uninterrupted voice assistant functionality.