Owner's Manual

43
TROUBLESHOOTING TROUBLESHOOTING
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 Out of range message
appear?
 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?
 The signal cable between PC and product is not connected.
Check the signal cable.
 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?  Check if the Plug & Play function is supported by referring to
the video card user manual.
The screen image looks abnormal.
Problem Action
Is the screen position wrong?  Check 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.
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.
• The software-related contents may be changed without prior notice due to upgrade of the product
functions.
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.
Screen color is abnormal.
Problem Action
Screen has poor color resolution
(16 colors).
 Set the number of colors to more than 24 bits (true color).
Select Control Panel - Display - Settings - Color Table menu
in Windows.
Screen color is unstable or mono-
colored.
 Check the connection status of the signal cable. Or, re-insert
the PC video card.
Do black spots appear on the
screen?
 Several pixels (red, green, blue, white, or black color) may
appear on the screen, which can be attributable to the unique
characteristics of the LCD panel. This is not a malfunction of
the LCD.
The operation does not work normally.
Problem Action
The power suddenly turned off.  Is the timer set?
 Check the power control settings. Power interrupted.
The audio function does not work.
Problem Action
No sound?  See if the audio cable is connected properly.
 Adjust the volume.
 See if the sound is set properly.
Sound is too dull.  Select the appropriate equalizer sound.
Sound is too low.  Adjust the volume.