Visitor
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1 Message
No cable on a secondary box.
Screen shows a screen check device power. But but box was working 5 minutes before. Blue corner light is on. I have tried to pull plug and reset, no change, have checked all connections, all tight and no changes. Suggestions?
XfinitySeth
Official Employee
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1.5K Messages
18 hours ago
Howdy user_gvkqyw 👋 I know how annoying it can be when one of my TVs in my home stops working for some reason, but rest assured we got your back and are here to help make sure you get your picture back, so thanks for stopping by!
The good news is that if you see a blue light on your X1 box, that means it is receiving power and functioning without issue from its end 👍 The error message "check device power" comes from your TV specifically, and means it is not receiving a signal from the connected external component (in this case, the cable box). You'll want to start by making sure you've selected the correct HDMI input source, and securely unplug and re-plug the HDMI cable on both ends to see if any picture generates after. Please give that a try and let us know if it works!
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