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user_gb456734
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320 Messages

08/15/2026 1:14 AM

Audio/Video gets out of sync

I have the X1 box and an issue has developed with it in the past month. The audio/video gets out of sync enough that it makes watching TV painful! It does it on all channels and only on this box. Others boxes are fine. I can restart the box and it is fine until the next evening. Don't mind restarting it but it may be about to go out.

I am over an hour away from the nearest Comcast office and I am wondering do they mail replacement boxes out?

Thanks for any help-!

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17 days ago

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user_gb456734

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320 Messages

17 days ago

Well I changed it back to Dolby and the problem immediately returned. Might be something in my sound bar. Will check into it. Changed it back to stereo and it was fine.

Thanks again!!

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XfinityDilary

Official Employee

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3.7K Messages

19 days ago

 

glennbob. Thanks for posting on our community forums. We can help with your TV box request. Before we consider sending a new box, what kind of audio connection do you have? Have you tried swapping HDMI cables to see if that helps with the issue? 

 

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user_gb456734

Contributor

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320 Messages

18 days ago

I appreciate you responding to my post! I waited to be sure that the problem was gone and it is. I saw a post on here about my issue and it suggested changing audio to stereo. I did that and the problem has not come back. Not for sure the setting change fixed it but I just might change it back just to see. I also know that Comcast has been doing some maintenance every night for the past week so maybe it is something they did.

Just for giggles and grins I may change the setting back and see if the issue returns! I will let you know.

Thanks again!

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XfinityRay

Official Employee

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4.2K Messages

You're welcome, @user_gb456734! I am glad that when you changed to stereo the problem went away. Please do let us know what happens if you change it back. Interesting if it is the maintenance or the setting. 

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18 days ago

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