A factory reset will reset the Smart TV back to default settings. This is typically done when there is a problem that can only be fixed with a reset or if you want to sell or give it away. This process will remove all customized TV settings, including tuned channels, recordings, custom input names, installed applications, stored Wi-Fi passwords, etc.
2. Factory Reset
Restoring your device to its factory default settings will remove all user data.
Unplug the TV and leave it unplugged for one minute.
Plug the TV back in. It should turn on automatically.
On the remote control, press and hold the UPARROW button.
While holding down the UP ARROW button, press and release the POWER button on the television. Note: Do not use the Energy Saving Switch.
Depending on the model, RESET may flash on the screen.
The initial setup screen will appear and walk you through setting up your television.