LG 86TR3E-B Owners Manual - Page 19

Troubleshooting

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19 ENGLISH TROUBLESHOOTING No image is displayed. Problem Is the product power cord connected? Does the "Invalid Format" message appear? Does the "No Signal" message appear? Action •• Check if the power cord is correctly plugged into the power outlet. •• 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. •• The signal cable between 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 Did you install the driver? Action •• Check if the Plug and Play function is supported by referring to the graphic card user manual. The screen image looks abnormal. Problem Is the screen position wrong? The screen is displayed abnormally. Action •• 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 Control Panel Display Setting menu. •• The proper input signal is not connected to the signal port. Connect the signal cable that matches with the source input signal. After-image appears on the product. Problem After-image appears when the product is turned off. Action •• If you use a fixed image for a long time, the pixels may be damaged. Use the screen-saver function. •• When a dark image is displayed on the screen after an image with high contrast (black and white or gray), this may cause image sticking. This is normal for LCD screen products.

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ENGLISH
19
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 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 Plug and Play function is supported by referring to the
graphic 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 Control Panel Display Setting menu.
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.
After-image appears on the product.
Problem
Action
After-image appears when the product is
turned off.
•
If you use a fixed image for a long time, the pixels may be damaged.
Use the screen-saver function.
•
When a dark image is displayed on the screen after an image with high
contrast (black and white or gray), this may cause image sticking. This
is normal for LCD screen products.