Troubleshooting - LG LB55 Series Owner's Manual

TROUBLESHOOTING

Problem
Cannot control the TV with
the remote control.
No image display and no
sound is produced.
The TV turns off suddenly.
When connecting to the PC
(HDMI), 'No signal' or 'Invalid
Format' is displayed.
Solution
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 ).
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.
y Check the power control settings. The power supply may be interrupted.
y Check if the Automatic Standby (Depending on model) / Sleep Timer /
Off Time feature is activated in the TIME settings.
y If there is no signal while the TV is on, the TV will turn off automatically after 15
minutes of inactivity.
y Turn the TV off/on using the remote control.
y Reconnect the HDMI cable.
y Restart the PC with the TV on.
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TROUBLESHOOTING