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If you use the set-top box of the local radio and television network, it is an electrical signal, which is what we call a closed line and a copper shaft cable, which is easy to cause signal loss. Generally, we need a closed-circuit amplifier for two TVs to share signals at the same time, you first check whether the closed-circuit in your room is connected to the amplifier, and then see if the closed-circuit connector has exploded.
If you are using a telecom box, Xiaomi box, LETV box, PPTV box or other network boxes belong to optical signals, optical fiber access, this kind of general will not be a problem, you can only call your home network provider for manual door-to-door service.
It is also possible that there is a problem with the TV, please set it.
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Check the signal input in your room, it's usually a line issue.
The network TV set-top box is good, mainly for convenience, after all, it is a professional TV watcher, and the computer will always be stuck.
There is also a LAN jack behind the set-top box, and with a long LAN cable, put another WiFi router in a place other than the living room.
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