LG UH5F-H 65" Class 4K UHD Digital Signage & Conference Room SmIPS LED Display - Manual (Page 27)

27
ENGLISH
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 the PC (Graphics card) is out of the vertical or
horizontal frequency range of the product. Adjust the frequency range
by referring to the Specifications in this manual.
Does the “No Signal” message appear? • The signal cable between the PC and product is not connected. Check
the signal cable.
• Access the input menu to check the input signal.
The Unknown Product message appears when the product is connected.
Problem Action
Did you install the driver? • Check if the function is supported by referring to the
graphics card user manual.
The screen image looks abnormal.
Problem Action
Is the screen position wrong? • Check if the graphics card resolution and frequency are supported by
the product. If the frequency is out of range, set to the recommended
resolution in the “Display” settings in Control Panel.
The screen is displayed abnormally. • The proper input signal is not connected to the signal port. Connect the
signal cable that matches with the source input signal.