If something got disconnected, caught, or twisted, it could interfere with your TV’s function. Additionally, you can unplug and replug the power cord to reset the LG Smart TV. 2. Press the Power Switch on the TV. Try pressing or even holding down the power switch on the LG Smart TV for a moment. This action might help the TV to turn on. Restarting a device sometimes clears temporary glitches, like a TV that won’t turn on. To fully restart your LG TV, unplug the power cord, then press and hold the power button for about 15 seconds. This will drain all the remaining power from the TV. Wait another 10 seconds, then plug the TV back in. When you turn the TV on again, press the 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. Where HDMI-CEC isn’t working properly, you need to turn everything off at the plug and remove all HDMI cables from your TV. Next, turn your TV on first. Then, if you have any external sound Unplug the power cable to your modem/router and wait about 60 seconds. Reconnect the power cable to your modem/router and ensure it's turned on. Wait until the device is finished making its connection to the internet and your network. Check your TV for the internet connection issues you were experiencing. If you're still experiencing issues 5. press ok and then press connect. 6. turn your tv on and quickly tap the escape key on your keyboard until "mstar#" comes up in the terminal. 7. press enter once then type "swuz" (the command to load the firmware). 8. Select the epk file you downloaded earlier when a window comes up and press enter. 9. Here's a composite image of the No Power troubleshooting procedure, taken from the service manual that may help. If you get the correct standby power at the power board, check that it gets OK to the mainboard as it may be a faulty cable between the two. It is the mainboard that turns on the red standby power light. I have 2 Samsung TV's in the house and have been having the same issue for about 1 year now with both so it is absolutely the TV. No issue with any other connected devices (phones, x-box, computers, etc.) No pattern to it. Other than when the TV gets turned off most of the time I have to reset the network and re-enter my password. CrYTu.

lg smart tv won t turn on wifi