One of the most common reasons why you might not be able to access the internet using Spectrum Routers is due to issues like Spectrum Router red light . It usually happens due to connectivity issues of the router that can be resolved by following the steps mentioned under: Restart your router by disconnecting the router’s power adapter from the power socket, and then reconnecting it after two minutes. Check if the Ethernet cable connecting your router and the modem is in proper condition. If it has physical damages, replace it with a new one. Reset the router. Press and hold the router’s reset button for about 10 seconds. The status lights of the router will flicker and the router will reboot. Check if you are able to connect to the network and access the internet.