Screen is Dim

Picture Settings

On the remote, press MENU and select PICTURE. Check that the picture settings read SHOP & MALL. Select RESET TO DEFAULT.

And

On the remote, press MENU and then select PICTURE. Select BRIGHTNESS and increase the slider until the screen is bright enough.

Eco Sensor

On the remote, press MENU and then select SYSTEM. Select ECO SOLUTION. Turn ECO SENSOR off

No Change?

If the problem is persisting, please attempt a Factory Reset