In some cases you might want to reset your LG TV by reverting the TV to its initial settings. THis will revert all options on TV to their default settings.
Be sure to note that this process will remove any saved details, log in and apps that have been setup on your LG TV.
How to factory reset from your settings
Setting - Factory Reset
To get started, using your "magic remote control" press the "settings" button and navigate to "all settings".
Under the "all settings" menu, locate "general" and to "system".
Simply you can then select the "reset to initial settings" and select confirmation.
IMPORTANT! Resetting will delete all of your account settings and installed apps. This action cannot be undone. Do you want to continue?
If you wish to continue, select the "ok" option provided.