Video App problems (Youtube etc)
•• Change the DNS to 8.8.8.8. Select 
> 
Settings > General > Network > Network Status > IP Settings > DNS setting > Enter manually > DNS Server > enter 8.8.8.8 > OK.
•• Reset by selecting 
> 
Settings > Support > Self Diagnosis > Reset Smart Hub.
The TV remains on or does not turn on automatically.
•• If the surrounding area is too dark or bright, the motion sensor may not work normally. The performance of the motion sensor may be affected by the installation environment (height, tilt, obstacles). If the clothes you wear or your skin colour is similar to the surrounding shading, the motion sensor may not work properly.
•• The TV responds to all visual changes around it (lights, displays, dogs,
Precautions when using Art mode
•• Do not block the sensor at the front of the TV. The motion sensor as well as the brightness and colour tone of the screen can be affected.
•• Art mode uses algorithms to minimize image
•• The performance of the sensor may vary depending on the TV installation and operating environment.
––The screen brightness and colour tone may be affected depending on the colour of the bottom of the TV.
––In an environment where special light sources other than standard light sources (halogen, fluorescent) are used, the sensor's motion recognition performance may vary. depending on the positions, types, and number of the light sources.
––If the area around the TV is too dark or bright, the screen brightness may be limited or the sensor may not work normally.
––If the TV is installed too high or too low, the sensor may not work normally.
––The motion sensor may sense motion from a flashing LED, a pet, a car moving outside the window, or other occurrence and start operating.
•• Depending on the Auto Power Off function settings, the TV may turn off when there is no user input in Art mode, such as inputs from the remote control.
•• The Sleep Timer / Off Timer function does not work in Art mode.