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ENGLISH
17
TROUBLESHOOTING
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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 (Graphic card) is out of 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 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 [Control Panel] → [Display] → [Setting] menu. (The
settings may differ depending on your operating system.)
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.
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