LG 42LM615T User Manual page 58

To specify Factory Reset
❐
SETTINGS ➾
All stored information is deleted and TV settings are reset.
TV turns itself off and back on, and all settings are reset.
✎ When Lock System
password.
✎ Do not turn off the power during initialization.
OPTION ➙ Factory Reset
is in place, a pop-up window appears and asks for