No picture nothing . Just says no signal.
Assuming you have a TV hooked up to some kind of cable box, I would venture to say the TV is telling you it is not receiving a signal from the cable box.
Two things could be the problem;
1 You are on the wrong channel to receive a signal - some boxes send the signal to you on channel 3 - if your TV somehow got changed to channel 4, for example, it would not recognize the signal from the box. Make sure you are on the correct channel setting.
2. The cable box may not be turned on or formated properly. Turn the box off and then back on after a few minutes. Follow any messages on the screen on the box for a proper start-up.
If nothing helps, call your cable company for assistance..
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