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cada0310
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Thursday, April 2nd, 2026 1:30 AM

Main TV box has been slow for ages; smaller satellite box super fast

Hello, 

As described in the title, our main box is terribly slow all around (normal use , streaming services, on demand). We've replaced it a few times in the last year but it's never even close to as fast as the little box in the other room.

I'd like a technician to come and test the signal to that main box and troubleshoot the issue once and for all.

Any other advice also appreciated.

Thanks.

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2 hours ago

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XfinityDilary

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3.2K Messages

13 hours ago

Thank you for posting on our community forums, cada0310. I’m sincerely sorry to hear about the connectivity issues you’ve been experiencing with your TV box. This is not the service we aim to provide, and we'd like to help troubleshoot. Did you already try rebooting the TV box manually or through the Xfinity App? Did you check the coaxial connection on both ends (wall plate and TV box) to make sure the connection is tight and there's no damage to it? 

 

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cada0310

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10 Messages

3 hours ago

There are splitters at the point of entry to the house, installed by Comcast. Both the slow box and the fast box are on splits.

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XfinityOrlandoM

Official Employee

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3.2K Messages

To clarify what I mean by splitters would be inside the home, so for my connection on my main TV box the coax connection goes to a splitter, as my Internet modem is connected to the same outlet.

 

So if you have that main TV box on the splitter what I would like you to do is bypass the splitter and connect directly to the TV box to the wall outlet to see if that changes the speed of the TV connection

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3 hours ago

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cada0310

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There are no splitters in the home other than the Comcast installed ones in the basement. 

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2 hours ago

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XfinityGabriel

Official Employee

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3.1K Messages

 

Thanks for confirming that—much appreciated. I’d like to take a closer look at the signal levels on my end to see what’s going on. To further assist, please send us a direct message with your first/last name and full address. You can start by clicking the "direct message" icon in the upper right page of our forum page. Once you click on that, input our shared handle Xfinity Support to send us a direct message.

 

I am an Official Xfinity Employee.
Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.
Was your question answered? Please, mark a reply as the Accepted Answer.tick

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2 hours ago

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