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Why is the Green Light on My AT&T Broadband Blinking? (Answered)

Why is the Green Light on My AT&T Broadband Blinking? (Answered)

AT&T owns approximately 10000 patents in the world with over 200 million wireless subscribers, thus making them the largest telecommunication operator in the world by revenue and one the bigger providers of mobile services in the US.

You might be wondering what the blinking green light on your AT&T broadband is about. Just like any other routers, this scenario isn’t unusual.

The green light on the AT&T broadband router means that the system is just establishing a connection. In this case, the router is receiving a weak signal or the broadband is not syncing yet. It could also be because of an ongoing software update.

In this article, I’ll be explaining what the blinking green light means on AT&T broadband and what you should do to get it fixed.

Keep reading!

Why is my AT&T router blinking green?

In other words, the connection between the router and the WiFi is just booting up. At this point, you might notice the internet is quite poor but it should go back up after the system has established the connection.

As mentioned, the blinking green light on your AT&T router means that the gateway is starting or a software update is ongoing.

All you have to do is wait for a minute or two for the internet speed to stabilize. You’d also just need to wait for a software update to finish and the router will instantly stop blinking.

AT&T Blinking Router
Check here to see what the other light indicator means on your AT&T broadband.

How to fix my AT&T broadband connection?

To fix your AT&T broadband connection, press the Reset button and wait for the system to fully restart.

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    If the problem is still the same, contact ADT support to run an equipment diagnostics. A technician will be sent to your location to fix the issue if needed.

    For a better representation, watch the video below!

    How to Fix Internet Problem on AT&T

    What does it mean when the WPS button is flashing?

    When the WPS button is flashing, it indicates that it’s searching for a device to connect.

    Typically, you’ll notice an amber/orange light flashing.

    Here’s what you should do:

    • Press the WPS button on the router.
    • Go to the device’s WiFi settings and select the wireless network (SSID) you’re connecting to.
    • The connection should be completed without entering the password.

    The instructions for other routers may be different. Make sure to check the manual for steps to connect to the WiFi network and other information.

    Checkout my other article regarding Wi-Fi on this article: Network Woes: Ethernet Troubles with a Working WiFi

    How do I reset my AT&T WPS?

    Follow these steps for resetting the AT&T WPS:

    1. Press and hold the Reset button on the router for 10 seconds.
    2. Wait for the router to restart and make sure all the light indicators are on.
    3. If the Broadband Service or Status light turns green, then the reset has worked!

    Bear in mind factory resetting your router will delete your custom setting. That said, you should jot down your custom setting such as static IP address and SSID so you can change them after factory resetting.

    Why is my AT&T internet not connecting?

    When your AT&T is stock without internet, you should power off your router and then turn it on again after 30 seconds. If there’s no improvement you should reset your router’s factory settings.

    How to reset my AT&T internet?

    • Long Press the Gateway Reset button exactly 10 seconds.
    • Important: You should exactly hold for 10 seconds, otherwise a reboot will happen and not a restart.
    • Wait until the gateway light lit up again.
    • Check a stable green light on Broadband or Service status.
    • Once confirmed, it means the reset worked

    Here are other reasons why your AT&T broadband have trouble connecting to the internet and the steps you must do to fix it:

    Internet Issues ReasonSimple Fixes
    Network outage in the areaView the AT&T Service Outage Map
    to see if there are any outages in your area.
    Problems with cable connectionLook for and replace damaged cables
    Unstable internetPay internet bill on time
    View the AT&T Service Outage Map
    Contact customer support
    Spyware or virusesUpdate your anti-virus
    Update your AT&T software
    How to troubleshoot your AT&T Wi-Fi router?

    If a typical reset does not resolve the issue, try disconnecting the modem or Gateway, wait 10 seconds, and then plug it back in.

    Wi-Fi slow connection vector
    Keep your internet bill updated so your internet service provider wont throttle your internet’s speed.

    Frequently Asked Questions (FAQs)

    What Is the Meaning of an AT&T Broadband Red Light?

    When your AT&T broadband is operating correctly, the modem gateway should display a green light. The Gateway is starting up if it is glowing green.

    An amber light indicates that a software update is in progress. For more information about AT&T red light read this one: How to Resolve AT&T Router Blinking Red?

    How Can I Resolve a Blinking Red Light on My Broadband?

    The first thing you should do is unplug the Gateway’s power supply for at least 10 seconds.

    After that, reconnect and check whether the broadband light has changed from red to green. This might take up to five minutes.

    What is the difference between AT&T and AT&T fiber?

    AT&T Fiber has faster internet speeds.

    Fiber optic technology, in general, has revolutionized how we connect over long distances. AT&T Fiber offers a faster Internet connection for its users.

    Is ATT fiber actually unlimited?

    There is no data cap in AT&T’s fiber plans.

    This means you’ll get unlimited data as long as you pay the fee outlined in your chosen plan. With other plans, a data cap means once you’ve consumed a certain amount, you will no longer be able to use your internet.


    Overall, AT&T broadband lights glow green when the signal is extremely faint. This might be a minor problem that can be fixed by resetting the modem.

    Power cycling your router or modem is frequently effective. And checking the AT&T Service Outage Map to see if there are any outages in your area can help you not worry in case you’re just being paranoid.

    On the other hand, a red light may indicate that the router is turned on and a broadband signal has been identified, but there is a weak connection.

    You may take various measures to fix a red light on your router, modem, or Gateway.

    If none of this tips work, call a technician to diagnose and repair your problem.

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