Checking the power cable should be the first step if a Smart TV won’t turn on. It can be replaced if the cable is broken or there’s no power coming from the wall outlet where it was plugged in. Check if the wall outlet has energy flowing by trying it with other appliances. Verify the other appliances are connected to the same wall outlet. To unregister the remote, press and hold the Back and Home buttons for 5 seconds. When the remote is unlinked, a red LED indicator will flash. Click the actual power button and turn on the television. Connect the RF dongle to the TV’s USB port. The dongle usually comes with the remote as an attachment when you buy it. Plug it back in and see if it turns on. 3. Hold Down The Power Button. Another fix you can try is to again remove the power cable from the wall and then hold down the power button for 10 seconds before plugging your TV back into the mains. This fix might let you get some short use out of your TV. Check the standby light. In power standby mode, the power standby lamp at the bottom of the TV lights up. If the power standby lamp is OFF, check the power cord. NOTE. Out of the box, the red standby light is ON when the TV is OFF. When the TV is operating normally, this can be turned off in the TV’s settings menu. Expand All. Easiest way of connecting your LG TV to the WIFI. Check point Make sure that your router has WPS (Wifi Protected Setup) button at the back Router image is of a guide only. Please check with your Router manufacturer . How to Setup Press the Home/Smart button on your remote to bring up your launcher bar. Most of the time, a soft reset will solve the problem without further exploration. To do a soft reset, unplug the power cable from the supply. Wait about a minute. Then, press the power button on the TV panel for about 30 seconds. It will help drain the residual power from the capacitors and solve the power glitch. Tap on Internet. Find your Wi-Fi connection. Tap on the gear icon next to it. Tap on the pencil icon in the top-right corner. Here, you can edit the password and check other details. If you’ve LG TV Won't Turn On? This Is How I Fixed Mine. - TurboFuture. If your LG LED TV won't turn on; turns on, then goes off; or makes repeated clicking sounds, there is a very good chance that you can save hundreds of dollars doing this simple repair yourself. STDEg9n.