Owners manual

30
Troubleshooting
Note
• Vertical frequency: To enable the user to watch the monitor, the screen image should be
changed tens of times every second like a fluorescent lamp. The vertical frequency or refresh
rate is the times per second the image changes. The unit is Hz.
• Horizontal frequency: The horizontal interval is the time to display one vertical line. When 1 is
divided by the horizontal interval, the number of horizontal lines displayed every second can be
tabulated as the horizontal frequency. The unit is kHz.
• See if the power cord is properly connected to the outlet.
• See if the power switch is turned on.
• May need service.
• Adjust brightness and contrast again.
• Backlight may need repair.
• If the product is in power saving mode, move the mouse
or press any key.
• Turn both devices off and then back on.
• 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.
* Maximum resolution
RGB: 1360 x 768 @ 60 Hz
HDMI / DVI: 1360 x 768 @ 60 Hz
• The signal cable between PC and product is not
connected. Check the signal cable.
• Press SOURCE on the remote control to check the input
signal.
● Is the product power cord connected?
● Is the power indicator light on?
● Power is on, power indicator is blue but the
screen appears extremely dark.
● Is The power indicator amber?
● Does the 'Out of range' message appear?
● Does the 'Check signal cable' message
appear?
No Image is Displayed
• Install the television driver provided with the
television, or download it from http://www.
LGsolutions.com
• See if the plug & play function is supported by
referring to your video card user manual.
● Did you install the driver?
'Unknown Product' Message Appears When the Television is Connected
• The control locking function prevents unintentional
OSD changes due to careless usage. To unlock the
controls, simultaneously press MENU and ► for
several seconds. (You cannot set this function using
the remote control. You can set this function on the
monitor only.)
● The 'Key Lock On' message appears when
pressing Menu.
'Key Lock On' message appears.