One clue that there is a device to blame is if you lose service at a specific time of day or when a certain device is in use. However, if one of your devices is causing trouble, it could affect your gateway. Your AT&T broadband provider should be able to support multiple devices on the network at one time. In addition to a red light, an abnormal humming noise or loud connection sounds could be signs of a gateway malfunction. If not, the issue is likely with the non-AT&T hardware.Īlthough less common, there may be an issue with your AT&T gateway. Test the equipment by removing it from the modem to see if the light is still blinking. If you added any third-party equipment to the modem and started experiencing issues, the new piece of equipment may be to blame. ![]() Better yet, plug your modem and router directly into a wall outlet. Power strips generally only perform their best for three years, so if you’ve had yours for longer than that, it may be time for a replacement. Check to make sure your power cord isn’t loose in the outlet or power strip, and also check the connection between the cords and your modem or router. Of course, if the power is completely out, the whole system will turn off and there won’t be a blinking light. If the power supply to your modem or router is inconsistent, that may be the cause of the blinking. ![]() Through your AT&T account page, you can also sign up for outage alerts to get notified if service is disrupted in your area. Of course, if your computer or tablet internet data isn’t working, you will need to use your cellular service to access the website. To check if you’re affected by an AT&T internet outage, you can search by your zip code or account through the AT&T website. The red light may blink if there is an AT&T service outage in your area. The red light is meant to signal that there are issues with the internet or connection, but there’s usually a quick fix. When your AT&T broadband red light is blinking, the issue could stem from the server connection, the equipment, the power supply or something else. What To Do If Your AT&T Broadband Red Light Is Blinking While we work hard to provide accurate and up to date information that we think you will find relevant, Forbes Home does not and cannot guarantee that any information provided is complete and makes no representations or warranties in connection thereto, nor to the accuracy or applicability thereof. ![]() The compensation we receive from advertisers does not influence the recommendations or advice our editorial team provides in our articles or otherwise impact any of the editorial content on Forbes Home. Second, we also include links to advertisers’ offers in some of our articles these “affiliate links” may generate income for our site when you click on them. This site does not include all companies or products available within the market. The compensation we receive for those placements affects how and where advertisers’ offers appear on the site. First, we provide paid placements to advertisers to present their offers. This compensation comes from two main sources. To help support our reporting work, and to continue our ability to provide this content for free to our readers, we receive compensation from the companies that advertise on the Forbes Home site. The Forbes Home editorial team is independent and objective.
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