
To restart your gateway, you need to unplug the power cable from the back of the gateway. Recommended reading : What Wi-Fi Extender Works Best With AT&T Fiber? Also, restarting the modem needs to be done before the next step (resetting the modem to factory settings) in case the problem remains. You don’t need any special tech skills for this one but restarting a device usually resolves most of the problems you may experience. Pay special attention to the both ends of the green DSL Broadband cable whether it sits firmly into the gateway.

Therefore, you can easily check the connections, or even better disconnect and then connect everything back and this time make sure everything is firm and tight. Sometimes a loose connection can be the cause of this problem. Check the connections, especially the green DSL Broadband cable If that is the reason for your red light problem then all you can do is wait a little until everything is up and running again. These usually occur after a power outage or a storm. Check for service outagesĪT&T has an outage site located at this address where you can check if there is a service outage in your area at the moment. We have ordered these fixes by their simplicity so you can try them one after another.

Now when we know the possible reasons let’s see what we can do about it. The gateway can’t connect to the service provider network.When the AT&T broadband light is red it is good to know what are the possible reasons for it.
