No stand-by light.
No ST_BY light after connecting the power?
No ST-BY light after turning off the power with remote control?
※ Location of ST-BY light varies depending on models, or LG logo or red LED is located at the center or right bottom of display.
How to fix
If power cable connection and AC power are normal, check the following menu setting.
※ This function may not be available for some models.
[Menu] → [Setting] → [General] → [Front indicator] → [Standby light] : ON
2012~2013 smart TV
[Home] or [Smart]→[Setting] →[General] →[Standby light] →[ON]