Troubleshooting Screen Issues
Troubleshooting Screen Issues
If you experience any of the problems below while using the product, please check the
following. There may not be a problem with the product.
First of all, perform a
General OLED Care Device Self Care Screen
Self-diagnosis to check for 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.
It says there is no signal on the screen.
Check whether the antenna or the cable connected to the external device is properly
connected to the TV.
Go to
to choose the connected input.
Check if your external device, such as set-top box or Blu-ray player, is turned on.
I cannot see some channels.
Launch
General Channels Channel Tuning Auto Tuning.
If you are using a set-top box, consult its supplier.
The screen is cut off.
Go to
Picture and change the Aspect Ratio.
When viewing videos through an external device (set-top box, game console, etc.) or
content app, check the screen size settings in the settings menu of the device/app.
There may be differences in the screen ratio provided by each device/app.
The screen shakes after the momentary appearance of vertical/horizontal lines and
net pattern.
Connect wireless telephones, hairdryers, electrical drills, etc. to a different power outlet.
The problem may be caused by high-frequency electronic devices such as another TV or
strong electro-magnetic sources nearby.
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