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Troubleshooting
• Install the product driver, which is provided with
the product, or download it from the web site.
(http://www.lge.com)
• See if the plug&play function is supported by
referring to the video card user's guide.
●
Did you install the driver?
'Unknown Product' message appears when the product is connected.
• Check if the power cord is properly connected to
the outlet.
• See if the power switch is turned on.
• Adjust brightness and contrast again.
• If the product is in power saving mode, move the
mouse or press any key.
• In DVD Player or Settop Box, check the power
status of connected device.
• 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 user's guide.
* Maximum resolution
19 inch : RGB : 1440 X 900 @75 Hz
DVI : 1440 X 900 @60 Hz
20.1 inch : 1680 X 1050 @60 Hz
22 inch : 1680 X1050 @60 Hz
• The signal cable between PC and product is not
connected. Check the signal cable.
• Press the 'INPUT' button in the remote control to
check the input signal.
● Is the product's power cord
connected?
● Is the power indicator turning on?
● Power is on, power indicator is blue
but the screen appears extremely
dark.
● Does the power indicator look amber?
● Does the 'Out of range' message
appear?
● Does the 'Check signal cable'
message appear?
No image is displayed
Note
* Vertical frequency: To enable the user to watch the product display, screen image should be changed tens of times
every second like a fluorescent lamp. The vertical frequency or refresh rate is the times of image display per second.
The unit is Hz.
* Horizontal frequency: The horizontal interval is the time to display one vertical line. When the 1 is divided by
horizontal interval, the number of horizontal lines displayed every second can be tabulated as the horizontal
frequency. The unit is kHz.