If the ONT is off or having startup issues, you can't connect to the internet. However, the Data LED is specific to your home network, so if the LED is off, check the Ethernet cable or. Having a wired internet connection can often provide a more stable and faster internet experience than Wi-Fi. Fortunately, most connectivity issues can be resolved with simple troubleshooting steps. Your fiber optical network terminal (ONT), modem, or gateway provides LEDs letting you know the status of your internet (wide area network, or WAN) and home network (local area.
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