LG 47LY750H Owner's Manual

Page of 54
ENG
ENGLISH
34
TROUBLESHOOTING 
TROUBLESHOOTING
 
The software version can be updated for improvement in performance.Customer needs to ensure the 
compatibility of customer’s equipment with LGE software. If needed, please consult with LGE and 
upload revised software version according to the guidance provided by LGE.
problem
Solution
Cannot control the 
TV with the remote 
control.
 
y
Check the remote control sensor on the product and try again.
 
y
Check if there is any obstacle between the product and the remote control.
 
y
Check if the batteries are still working and properly installed (  to  ,   to 
).
No image display 
and no sound is 
produced.
 
y
Check if the product is turned on.
 
y
Check if the power cord is connected to a wall outlet.
 
y
Check if there is a problem in the wall outlet by connecting other products.
The TV turns off 
suddenly.
 
y
Check the power control settings. The power supply may be interrupted.
 
y
Check if the 
Sleep Timer or Off Time feature is activated in the TImE or 
Timers settings.
When connecting 
to the PC (RGB
1
 /
HDMI), ‘No signal’ 
or ‘Invalid Format’ is 
displayed.
 
y
Turn the TV off/on using the remote control.
 
y
Reconnect the RGB
1
 / HDMI cable.
 
y
Restart the PC with the TV on.
Only LY75**.