LG Video Wall Manual De Propietario

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TROUBLESHOOTING
TROUBLESHOOTING
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Problem
Resolution
TV does not power on.
 
y
 See if the power cord is properly connected to the outlet.
 Power is on, but the screen 
appears extremely dark.
 
y
 Adjust brightness and contrast again.
 
y
 Backlight may need repair.
 Does the 'Invalid Format' 
message appear?
 
y
 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/DP : 1920 x 1080(60 Hz)
 Does the 'No signal' message 
appear?
 
y
 The signal cable between PC and product is not connected. Check 
the signal cable.
 
y
 Press the 'INPUT' menu in the remote Control to check the input 
signal.
'Unknown Product' message appears when the product is connected.
Problem
Resolution
Did you install the driver?
 
y
 See if the plug&play function is supported by referring to the video 
card user manual.