LG m4210l User Manual

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Note
*  Vertical frequency: To enable normal viewing, the screen image should be changed tens of 
times every second like a fluorescent lamp. The vertical frequency or refresh rate is the number 
of times an image is display per second. The unit is Hz.
*  Horizontal frequency: The horizontal interval is the time it takes 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.
Troubleshooting
• 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 : 1920 x 1080 @ 60 Hz
     HDMI/DVI : 1920 x 1080 @ 60 Hz
•  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. 
● 
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.
● 
The power indicator amber?
 
● 
Does the 'Out of range' message appear?
●  
Does the 'Check signal cable' message 
appear?
No Image is Displayed
•  Install the product driver provided with the product, or 
download it from http://www.lg.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 Product is Connected.
•  The control locking function prevents unintentional OSD 
setting change due to careless usage. To unlock the 
controls, simultaneously press Menu and      for several 
seconds. (You cannot set this function using the remote 
control buttons. You can only set this function with the 
controls on the product.)
●  
The 'Key Lock On' message appears when 
pressing the Menu button.
'Key Lock On' Message Appears.