problem with the tv channel to get cable on exact tv

[Joao_18]

Ok i got a 52-55"flat screen tv and it has a white wire connected to the back for cable and the tv accidentally changed the channel for the actual tv.what channel does it have to be on in order for it to have cable?

 

[jsmithepa]

Post a picture of where this cable is plugged in the back of the TV. What country are you posting from?