Without more detail it could be hard to trace your problem to its root. What are you plugging in? Try to see if it works on another tv to rule out the possibility of it being your console or whatever your trying to plug in. If it works. Be sure your connections are fully plugged in and check your tv input channel. Be sure your on the right input. If your console did not work on another tv try different cables. This may be your problem. But if your sure the console is not the problem and your on the right channel, then it may be a bad solder joint on your input ports inside your tv.
Answers & Comments
Without more detail it could be hard to trace your problem to its root. What are you plugging in? Try to see if it works on another tv to rule out the possibility of it being your console or whatever your trying to plug in. If it works. Be sure your connections are fully plugged in and check your tv input channel. Be sure your on the right input. If your console did not work on another tv try different cables. This may be your problem. But if your sure the console is not the problem and your on the right channel, then it may be a bad solder joint on your input ports inside your tv.