Disconnect the cable network, unplug the cable, and then the TV can only connect to the wireless network. If there is no TV button on the remote.
Then find the signal source key or enter the select key, press it, pop up the signal source menu option, find the TV mode, and press the confirm key to switch to the cable TV playback interface
There are two ways to disconnect from the network:
Physical disconnect: Unplug the network cable to disconnect software: On the network neighbor, click the right mouse button, properties, right-click the local connection, select disable. At this point, the network will be disconnected.