An electronic system transmitting transient images of fixed or moving objects. Together without sound over a wire or through space by apparatus. That converts light and sound into electrical waves and reconverts them into visible borders, knowledge of different cultures Promotes. Tolerance and global understanding of internal issues. There so many issues with televisions like LCD, LED, QLED, HD television. Like check if any timer or sleep mode has set by mistakes, check your remote control. Remove the main power cable, unplug all devices attached to the tv such as cable connection, speakers, a media player. There are a number of problems like tv turning on but not producing a picture. If your TV  picture is breaking up, cutting and out or pixelating(looks like everything is a bunch of squares), then you probably are experiencing a weak signal.