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54
TROUBLESHOOTING
ENGLISH
TROUBLESHOOTING
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Problem Action
Is the product power cord connected? ►y Check if the power cord is correctly plugged into the power
outlet.
Does the Out of range message
appear?
►y The signal from the PC (video 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 Check signal cable message
appear?
►y The signal cable between PC and product is not connected.
Check the signal cable.
►y Press the INPUT menu in the remote Control to check the input
signal.
The Unknown Product message appears when the product is connected.
Problem Action
Did you install the driver? ►y Check if the Plug & Play function is supported by referring to the
video card user manual.
The screen image looks abnormal.
Problem Resolution
Is the screen position wrong? ►y D-Sub analog signal - Press the "AUTO" button in the remote control
to automatically select the optimal screen status that fits into the
current mode. If adjustment is not satisfactory, select [PICTURE] -
[Screen] - [Position] in OSD menu.
►y See if the video 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.
Do thin lines appear on the
background screen?
►y D-Sub analog signal - Press the "AUTO" button in the remote control
to automatically select an optimal screen status that fits into the
current mode. If adjustment is not satisfactory, select [PICTURE] -
[Screen] - [Size] in OSD menu.
Horizontal noise appears or the
characters look blurred.
►y D-Sub analog signal - Press the "AUTO" button in the remote control
to automatically select an optimal screen status that fits into the
current mode. If adjustment is not satisfactory, select [PICTURE] -
[Screen] - [Phase] in OSD menu.
The screen is displayed
abnormally.
►y 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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