I just bought a 55″ Samsung smart tv, to replace my old perfectly working Sharp. None of the tv channels have sound, but when I play movies from the hard disk connected to sub, it works great. Also YouTube works fine. No other devices connected, just a black cable coming out of the wall, so no satellite or modems or whatever. Disconnect the converter and digital TV power supplies from the wall. Wait a minute before plugging the cables back in. The antenna should still be disconnected. With the antenna disconnected, run the channel scan function on the converter box or digital TV. When the scan completes, any channel data the converter box or digital TV had in its All SHARP TV televisions have multiple HDMI connection ports installed in the hardware. ..Best Quality HDMI Extension. 1. High-Speed HDMI Extensio Depending on the brand/model of your TV, this option may not only provide a two-channel stereo signal but also a two or 5.1 channel undecoded audio signal. A growing number of TV programs are broadcast or streamed in Dolby Digital (either 2 or 5.1 channels), and some signals may also contain a DTS 2.0+ encoded signal. Turn the TV off using the power button. Plug the TV out at the mains. Wait for 2 minutes. Plug it back in at the mains. Turn it back on using the power button. After restarting your TV, try to perform an automatic channel search. If the TV can’t find your channels, move on to the next fix. Hi I just go a brand new Sharp Aquos LCD 60" TV and this morning it won't turn on and the power light in the front is flashing in a sequence of 2 slow flashes pause 2 fast flashes, the light is white. … Hisense Roku TV Not Turning On. There are many reasons why your Hisense Roku TV won’t turn on. It may be caused by a power surge, a dead battery, or a failed power supply. It could also be a software issue or a hardware problem. Before you try to fix the problem, you need to determine the cause. 1. In this video, we show you a few different ways of how to fix Netflix on a Sharp Smart TV.Buy one of these to add Netflix to your TV:Get a Fire Stick Here (A e14CfH.