TROUBLESHOOTING 43

TROUBLESHOOTING

No image is displayed

Problem

Action

Is the product power cord

yyCheck if the power cord is correctly plugged into the power

connected?

outlet.

Does the Out of range message

yyThe signal from the PC (video card) is out of the vertical

appear?

or horizontal frequency range of the product. Adjust the

 

frequency range by referring to the Specifications in this

 

manual.

 

* Maximum resolution: 1920 x 1080 (60Hz)

Does the Check signal cable

yyThe signal cable between PC and product is not connected.

message appear?

Check the signal cable.

 

yyPress the INPUT menu in the remote Control to check the

 

input signal.

ENGLISH

The Unknown Product message appears when the product is connected.

 

 

Problem

 

Action

 

Did you install the driver?

 

yyCheck if the Plug & Play function is supported by referring to

 

 

 

 

 

the video card user manual.

 

 

 

 

 

 

The screen image looks abnormal.

 

 

 

 

 

 

 

 

 

 

Problem

 

Action

 

Is the screen position wrong?

 

yyCheck 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.

 

yyThe proper input signal is not connected to the signal port.

 

 

 

 

 

Connect the signal cable that matches with the source input

 

 

 

 

 

signal.

NOTE

••The software-related contents may be changed without prior notice due to upgrade of the product functions.

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LG Electronics 42LS75A 49LS75A 55LS75A Troubleshooting, No image is displayed, Does the Check signal cable, Problem Action