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There is a remote control light receiving sensor and an ambient light sensor near the center bottom of the TV screen. Placing something in front of the TV, such as a sound bar, can block the sensors and prevent them from working properly. Move the obstacle away from the TV until the sensors operate normally.
- Check the TV instruction manual for information regarding the locations of the sensors.
- Make sure the blue protective tape is removed from the sensors.
- If the environmental light sensor is set to ON, try turning it to OFF.