![LG 49SE3DD Owner'S Manual Download Page 28](http://html.mh-extra.com/html/lg/49se3dd/49se3dd_owners-manual_1900893028.webp)
ENGLISH
28
TROUBLESHOOTING
No image is displayed.
Problem
Action
Is the product power cord connected?
•
Check if the power cord is correctly plugged into the power outlet.
Does the ‘Invalid Format’ message
appear?
•
The signal from your PC (graphics card) is out of the vertical or
horizontal frequency range of the monitor. Adjust the frequency range
by referring to the specifications in this manual.
Does the ‘No Signal’ message appear?
•
The signal cable between PC and product is not connected. Check the
signal cable.
•
Press the 'INPUT' menu on your remote control to check the input
source.
The “Unknown Product” message appears when the product is connected.
Problem
Action
Did you install the driver?
•
Check if the Plug and Play function is supported by referring to the
user manual for your graphics card.