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Question

SBG7600AC2 online light not stable


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Having an issue with my modem that was working fine a couple of days ago. Moved into a new place and went to set up the WiFi. Contacted Xfinity and got it set up. They had to send someone out here because the modem wouldn’t activate. He got that activated because the coax wasn’t in the right port on their end but now it’s activated and they can see the modem on their end.

we are still having the issue where even though they can see the modem and are sending signal to it, it’s not receiving the signal so our online light just keeps blinking. Every so often the up/down light also starts blinking again. The WiFi pops up in our settings on our phones but says there is no connection and doesn’t load any pages. 
we have been in contact with Xfinity support and they have strongly been suggesting that it’s an issue with the router which I don’t understand if it has been working fine just a few days ago at the last place. Any help?

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3 replies

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  • The Many
  • 1 reply
  • May 24, 2025

This same thing just happened to ours, the same model. It was working fine 2 hours again and then the 2 bottom wifi lights are now blinking continuously with now internet access. I called my internet supplier and they did everything on their end and said the modem is the issue.


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ngogos77 wrote:

Having an issue with my modem that was working fine a couple of days ago. Moved into a new place and went to set up the WiFi. Contacted Xfinity and got it set up. They had to send someone out here because the modem wouldn’t activate. He got that activated because the coax wasn’t in the right port on their end but now it’s activated and they can see the modem on their end.

we are still having the issue where even though they can see the modem and are sending signal to it, it’s not receiving the signal so our online light just keeps blinking. Every so often the up/down light also starts blinking again. The WiFi pops up in our settings on our phones but says there is no connection and doesn’t load any pages. 
we have been in contact with Xfinity support and they have strongly been suggesting that it’s an issue with the router which I don’t understand if it has been working fine just a few days ago at the last place. Any help?

Could you let us know the internet speed plan you have subscribed to? Also, if the online light is blinking, it indicates that there is an issue with the signal distribution in the coaxial cable.


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User8892 wrote:

This same thing just happened to ours, the same model. It was working fine 2 hours again and then the 2 bottom wifi lights are now blinking continuously with now internet access. I called my internet supplier and they did everything on their end and said the modem is the issue.

User8892 wrote:

This same thing just happened to ours, the same model. It was working fine 2 hours again and then the 2 bottom wifi lights are now blinking continuously with now internet access. I called my internet supplier and they did everything on their end and said the modem is the issue.

Could you please help us with your product’s model number?


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