On some gateways, solid blue means connected at a high speed. Limited connectivity, a firmware update in progress, or the device is still booting up. The LEDs on your modem, optical network terminal (ONT), router, or modem/router combo (gateway) are most likely blinking because they're communicating what the device is doing, or there's an error. All networking devices, like modems and routers, provide a row of status lights that represent the. Router status lights, often referred to as LED indicators, are small lights on the front panel of your router. Most of these issues can be resolved with a simple power cycle (unplug for 30 seconds, plug back in). Understanding light colors and blinking patterns makes troubleshooting easier, saving time and reducing unnecessary calls to your internet provider. No Light: The ONT is not detecting an Ethernet connection.
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