LG NanoCell 55SM8100AUA Owner's Manual

To connect your LG NanoCell TV to Wi-Fi, go to Settings > All Settings > Network > Wi-Fi Connection. Select your network, enter the password, and connect.
Ensure the power cable is securely connected. Check if the power outlet is working by plugging in another device. If the TV still doesn't turn on, try resetting it by unplugging for 60 seconds.
To update the firmware, go to Settings > All Settings > General > About This TV > Check for Updates. Follow the on-screen instructions to update your TV's firmware.
Check the cable connections and ensure they are secure. Adjust the picture settings by going to Settings > All Settings > Picture. Consider setting the picture mode to 'Cinema' or 'Standard'.
To perform a factory reset, go to Settings > All Settings > General > Reset to Initial Settings. Confirm your selection and follow the prompts to reset your TV.
Ensure the volume is not muted and is turned up. Check audio settings under Settings > All Settings > Sound. Make sure the TV speakers are selected as the audio output.
To enable HDR, go to Settings > All Settings > Picture > Additional Settings, and ensure that HDR is turned on. Your content source must also support HDR.
Replace the batteries in the remote control. If it still doesn’t work, try pairing the remote again by pressing and holding the "Home" and "Back" buttons simultaneously for 5 seconds.
Press the 'Home' button on your remote control to access the webOS launcher bar. From there, you can select and open various pre-installed streaming apps like Netflix, Hulu, and others.
Turn off and unplug the TV. Use a microfiber cloth slightly dampened with water to gently wipe the screen. Avoid using cleaning chemicals or abrasive materials.