The screen brightness keeps changing.
General Energy Saving
Switch Energy Saving Step to either Off or Minimum.
The screen is in black and white or displaying strange colours.
General Accessibility Greyscale
Switch Greyscale to Off.
General Accessibility Invert Colours
Switch Invert Colours to Off.
Check the input mode or cable connection.
Go to to choose the connected input.
When you are connecting to the AV IN, check to ensure each cable is matched with the
corresponding color connection.
AV IN port is available in certain models only.
ULTRA HD video does not display.
With some HDMI cables, signals may not be received.
Change the settings of the connected device to the supported signal.
Troubleshooting Sound Issues
Troubleshooting Sound Issues
If you experience any of the problems below while using the product, please check the
following: There may be no problem with the product.
First of all, perform a General OLED Care Device Self Care Sound
Self-diagnosis for check any abnormalities in the TV.
If you are using a set-top box, turn it off, and then turn it back on.
Make sure that the set-top box is correctly connected to your TV.
The screen is fine, but it does not play any sound.
Try another programme.