Make Sure The Fiber Cable Is Properly Connected To Your Router If it is damaged, you’ll need to get an AT&T technician to replace it for you. Make sure the fiber cable on your router is plugged in properly and isn’t damaged. If the service light on your AT&T router is blinking red, it means internet authentication has failed.
I knew this was bad since the service light told me that the internet connection is active and working.Įventually after checking for damaged cables or anything that could be causing the problem, I finally managed to fix it. However, last weekend, I came back home from work and for some reason I wasn’t able to access the internet on Wi-Fi.Īll the lights on my router were fine, so I tried resetting the router by turning it off and unplugging it from power.Īfter 15 seconds, I plugged it back in, and once it had powered on completely I noticed the service light on the router was blinking red. I use AT&T’s fiber connection and I’ve been really happy with the speeds I’ve been getting. As an Amazon Associate, I earn from qualifying purchases. When you buy through links on my blog, I may earn an affiliate commission. Click “Fix it now”.RobotPoweredHome is reader-supported. Under “Fix my internet” -> “Diagnostics”, it should say that there is an issue. Under “My Internet”, click “Get internet help”.
This is so that you can gain internet access via your phone's data plan (because presumably you don't have internet service)
If your service is intermittent, then you may need to wait until it's down to follow these steps, so that the remote diagnostic tool recognizes that there is a problem.
The following steps assume that you have no internet due to a service problem that AT&T can remotely diagnose. It was somewhat difficult to figure out the steps you need to take to schedule a tech appointment without calling customer service, so I thought I'd document those exact steps here. There was no charge for the tech visit since it was a problem on AT&T's end. He repaired that and internet service came back. The tech came out, and after checking a few things, he discovered that a previous tech had crammed a fiber junction into a box that was too small, which caused the fiber to bend to the point that it disrupted the light reaching the ont. I was able to schedule a same-day tech appointment via the website, without having to talk to customer service - win. The router showed a red blinking broadband light most of the time, but sometimes the broadband light would show steady green, even when the internet wasn't working.Īfter having had several previously terrible experiences with trying to call AT&T customer services, that was the last thing I wanted to do. Our ont showed a green PON light and red alarm light. Over the course of those 7 days, the problem got worse, until at one point we had no internet for nearly 24 hours. We had not changed anything in our very normal "setup" prior to this issue starting. We tried all of the usual troubleshooting tips: unplug/reset router, unplug/restart ont, factory reset router, make sure cables are seated, replace cables. Neither ethernet-connected devices nor wifi connected devices worked. This post is meant to help others having similar issues.Ībout a week ago our AT&T fiber internet started going out for hours at a time, several times per day, on all connected devices.
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