Remote does not appear. Set Audio Guidance to Off. (Some models may not be
supported.)
I cannot turn the TV on with the remote control.
Please make sure your TV power plug is correctly connected to the outlet.
Replace the batteries in the remote control. (Use alkaline batteries.)
Check if there is an obstacle blocking the signal in front of the TV's remote control
receiver. If there is an obstacle, such as a soundbar, in front of the receiver at the bottom
of the TV, IR recognition may not work properly.
The power turns off suddenly.
Check whether the Power Off Timer, No Signal Auto Off or No Operation Auto Off is
set.
The TV will be turned off automatically if you do not press any buttons for 4 hours even
after the TV is turned on at the time set by Reminder or Power On Timer.
There is also a chance that the internal protection circuitry has activated because the
internal temperature of the product has risen unusually or excessively.
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 Support Additional Settings Picture Test 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 coaxial cable 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.
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