Now, select the Home menu and select the Settings option. Some LG smart TV remotes come with a dedicated Settings button. You may use that button to access the Settings menu directly. Enter the Settings menu and select the Network tab. In the Network menu, look for the Wi-Fi Connection tab and select it. From here, your TV will attempt to join

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.
To soft reset a TCL TV: Unplug your TCL TV and hold down the physical power button beneath the IR receiver on the TV for at least 15 seconds. Wait for at least 30 minutes for any residual power to drain. Plug your TV back in and try switching it on. You should see a red light if you have been successful. Check any connected devices or cords for malfunction. Unplug one device from the TV at a time and leave overnight. Continue until the TV stops turning on by itself. Once you find the culprit, you may need to purchase a new cord or device, depending on your needs. Check for an internal CEC or HDMI setting on the TV.
Use your phone as a Fire Stick remote control. First, launch the Fire TV Stick remote app and sign in. Next, select your Fire TV Stick device, turn on your TV, and switch its input to the one you use for your Fire Stick. You'll see a Fire TV Stick connection code number. Enter this code in your app.
So press the left arrow button and select the network, so that you can see the Wi-Fi networks around you. Select your WiFi network from the list of available networks, and disconnect with that WiFi network. This can be understood as you let your LG TV forget this network and reconnect to reset Wifi.
There must be some other issue in the home. 3. Power Reset Your Modem/Router. If your Sony smart TV isn’t connecting to the Wi-Fi network, a power reset can fix this issue. If you have a separate modem and router, be sure to power reset both devices. Disconnect the router/modem from its power source. 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. 8etoI9.
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    • lg smart tv won t turn on wifi