Insignia 27 inch lcd tv gets no video or audio. Hoping that you can help. I have an insignia 27

Question

Hoping that you can help. I have an insignia 27 inch LCD tv. It stopped all audio and video. When I hit the power button the blue light comes on but I get no picture or audio. Have tried multiple inputs and still nothing. Any advice you can give would be greatly appreciated. [e-mail]