- Check for service outages.
- Check the connections, especially the green DSL Broadband cable.
- Restart the gateway manually.
- Reset the modem to factory defaults.
- Use the myAT&T app or contact support.
Why is AT&T Broadband red?
AT&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. These usually occur after a power outage or a storm. 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.2020-11-19
Why is my AT&T modem service light red?
According to AT&T it indicates that the “Internet service authentication has failed.” Basically, it means that the router has made an unsuccessful attempt to become IP connected. The solid red service light will usually disappear after two minutes and after that time this light should turn off.2021-10-01
How do I fix my AT&T Broadband Connection?
- Unplug the power cord from the back of your gateway or modem. If you have: ...
- Wait 20 seconds.
- Put the internal battery back in, if applicable.
- Plug the power cord back in. ...
- Wait up to 10 minutes for the gateway or modem to reboot and your Broadband light to turn solid green.
How do I fix my broadband red light?
Restart the gateway manually To restart your gateway, you need to unplug the power cable from the back of the gateway. Wait a little, 15-20 seconds, and then plug the power cable back again. Wait a few minutes for the router lights to become stable and turn green.2020-11-19