T R O U B L E S H O O T I N G

Problem

Possible Solution

 

“Not Supported Mode!” mes-

Check the maximum resolution and the frequency of

sage.

the video Adapter.

 

 

Compare these values with the data in the Display

 

Modes Timing Chart.

 

The image is too light or too

Adjust the Brightness and Contrast.

dark.

Adjust the Fine function.

 

Horizontal bars appear to

Adjust the Coarse function and then adjust the Fine

flicker, jitter or shimmer on

function.

 

the image.

 

 

Vertical bars appear to flicker,

The TV is using its power management system.

jitter or shimmer on the

Move the computer’s mouse or press a key on the

image.

keyboard.

 

Screen is black and power

Check that the display resolution and frequency from

indicator light blinks steadily.

your PC or video board is an available mode for your

 

TV. On your computer check: Control Panel, Display,

 

Settings.

 

Image is not stable and may

If the setting is not correct, use your computer utility

appear to vibrate.

program to change the display settings.

 

NOTE: Your TV supports multiscan display functions

 

within the following frequency domain:

 

• Horizontal frequency:

30 kHz ~ 61 kHz

 

• Vertical frequency:

56 Hz ~ 75 Hz

 

• Maximum refresh rate:

1280 x 768 @ 60 Hz

Image is not centered on the

Adjust the horizontal and vertical position.

screen.

 

 

You need the Monitor driver

Download the driver from WWW pages:

software.

http://www.samsungusa.com/monitor

 

 

 

6.2 CHAPTER SIX: TROUBLESHOOTING

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Samsung LTM 1775W manual Problem Possible Solution