Then, they will ask why is my DSL light red?The explanation below gives you a better understanding of the red light on DSL modem and the effect to the internet connection.. To fix the LOS red light on your modem, you may try these following solutions: 1. The red light blinking mean most probably the wire has been cut from somewhere. The light on DSL modem shows specific signal and it turns on by the time the device connected to the electric power. So, I faced similar issue and had called customer care and they told me that they have registered the complain and an engineer will visit my place the day after. They convey information about the status of your internet connection. A blinking or flickering red light on the AT&T router is among the common internet problems the users report regularly. Power Cycle your Modem/Router Doing a power cycle is the recommended first step when you're troubleshooting your modem or router. The Light in DSL Model. Connect the modem to a computer with a yellow Ethernet cord. Here's how you can use them to … The light should turn green and the device connect after two minutes. Some people shock when they see red DSL light on their modem. Those lights on your router or cable modem aren't just there for show. One way to do away with the flickering red light on the router is to reset the modem. How do I fix my blinking red light? If the light is amber, the modem is attempting to connect with your WPS device. Plug the green cord's end into the modem's green cord slot, the other into the phone jack. If the light is red, there is a problem with your WPS connection. CenturyLink DSL Light Red - Your modem gives you access to the web. Connect the power cord into an outlet, and then wait for a few minutes for the Internet light on the router to turn orange. This article is going to shed some light on the technology, in this powerful little box this article is all about rebooting and resetting the modem, making sure you understand the impact on your internet connection and wireless devices before rebooting or resetting are important. With that said, there are a couple of solutions and tips to get rid of this problem. This usually solves common networking problems. The light should turn green in a few seconds. If the light stays red for more than 30 seconds, your modem has a problem.