1. The cable or antenna is not connected correctly.
If the TV has no channels, it may be because the cable or antenna is not connected correctly. Check whether the cable or antenna is connected to the corresponding connector of the TV and make sure that they are working properly.
2. The TV signal is unstable
The TV signal is unstable, which may also cause the TV to have no channels. At this time, you can use the tuner to enhance the stability of the signal, or adjust the direction of the antenna to get better signal reception.
3. TV failure
If the above two situations are eliminated, the TV itself may fail and need to be repaired or replaced.
4. Internet TV service failed
If there is no channel on the smart TV, the network TV service may be out of order. At this point, you need to check whether the network connection is normal or try to restart the device to solve possible network problems.
Whatever the reason, it is important to keep calm, eliminate possible problems one by one, find out the specific reasons, and then take corresponding solutions. If you can't solve it yourself, you can consult a professional.