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28
TROUBLESHOOTING
No image is displayed.
Problem
Is the product power cord connected?
Power is on, but the screen appears
extremely dark.
Does the "Invalid Format" message
appear?
Does the "No Signal" message appear?
The Unknown Product message appears when the product is connected.
Problem
Did you install the driver?
The screen image looks abnormal.
Problem
Is the screen position wrong?
Do thin lines appear on the background
screen?
Horizontal noise appears or the
characters look blurred.
The screen is displayed abnormally.
The screen flickers when the power is
turned on.
•
Check if the power cord is correctly plugged into the power outlet.
•
Adjust brightness and contrast again.
•
Backlight may need repair.
•
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.
•
Check if the
graphics card user manual.
•
D-Sub analog signal - Press the
automatically select the optimal screen status that fits into the current
mode. If adjustment is not satisfactory, select [PICTURE] → [Screen]
→ [POSITION] in OSD menu.
•
See 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.
•
Certain graphics cards themselves resize the screen. Adjust the
graphics card settings.
•
D-Sub analog signal - Press the
automatically select an optimal screen status that fits into the current
mode. If adjustment is not satisfactory, select [PICTURE] → [Screen]
→ [Size] in OSD menu.
•
D-Sub analog signal - Press the
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 proper input signal is not connected to the signal port. Connect the
signal cable that matches with the source input signal.
•
If you turn the monitor on when it is cold, the screen may flicker. This
is normal.
Action
Action
function is supported by referring to the
Action
button in the remote control to
button in the remote control to
button in the remote control to
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