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TROUBLESHOOTING

TROUBLESHOOTING

No image is displayed

Problem

Resolution

Is the product power cord 
connected?

y

 See if the power cord is properly connected to the outlet.

 Does the 'Out of range' 
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
     HDMI/DVI: 2560 x 1080(60Hz)

 Does the 'Check signal cable' 
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

 Install the product driver, which is provided with the product, or 
download it from the web site. (http://www.lg.com) 

y

 See if the plug&play function is supported by referring to the video 
card user manual.

'Key Lock On' message appears.

Problem

Resolution

The 'Key Lock On' message 
appears when pressing the 
Menu button.

The Lock function prevents the OSD settings from being changed 
inadvertently.  To release the lock, go to Menu and Option and disable 
the Key Lock option. 

The screen image looks abnormal.

Problem

Resolution

Is the screen position wrong?

y

See 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. 

y

 The proper input signal is not connected to the signal port. Connect 
the signal cable that matches with the source input signal. 

After-image appears on the product.

Problem

Resolution

After-image appears when the 
product is turned off.

y

If you use a fixed image for a long time, the pixels may be damaged 
quickly. Use the screen-saver function.