Samsung LF18TUSLB3/EN, LF18TUSLBM/EN, LF18TUSLBL/EN manual Before Requesting Service

Is the power cord connected properly?

Check the connection status of the power cord.

Is the <Check Signal Cable> message displayed on the

Check the cable connecting the PC and the product.

screen?

If the message appears on the screen even if the cable is

properly connected, recheck the input signal by pressing the

/SOURCE button of the product.

Is the <Not Optimum Mode> message displayed on the

This occurs when the signal from the graphics card exceeds

screen?

the maximum resolution or the maximum frequency of the

product.

In this case, set up the appropriate resolution and the fre-

quency for the product.

Is a blank screen displayed and does the power LED blink at

This occurs when the power saving function is running.

a 1 second interval?

If you click the mouse or press any key, the screen will be

turned on.

Is the entire screen displayed in the same color as if viewing

Check the cable connection to the computer.

the screen through a cellophane paper?

Reinsert the graphics card into the computer completely.

Check if the <Color Effect> is set to <Off>.

Is the graphics card configured correctly?

Set up the graphics card referring to the user manual.

THE DISPLAY AREA SUDDENLY MOVES TO AN EDGE OR TO THE CENTER

Did you change the graphics card or the driver?

Please press the [AUTO] button to run the auto adjustment

function.

Did you change the resolution and frequency appropriate to

Set the resolution and the frequency to the appropriate values

the product?

in the graphics card

Refer to the (Standard Signal Mode Table)

Is the graphics card configured correctly?

Set up the graphics card referring to the user manual.

5-2

Troubleshooting