I cannot turn on or operate the device with the TV remote control even after setting
the universal remote control.
Make sure that the device's power plug is plugged into the outlet.
Replace the batteries in the remote control. (Use alkaline batteries.)
Check if there are any obstacles blocking the signal in front of the connected device’s
remote control receiver.
Troubleshooting Screen Issues
Troubleshooting Screen 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 Support Screen 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.
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 programmes.
Launch General Programmes Programme Tuning (Programme
Tuning & Settings) 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 using an external device (set-top box, game console, etc.), check the screen size
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