Samsung LTM 1575W Owner's Instructions Manual page 62

T
R O U B L E S H O O T I N G
Problem
"Not Supported Mode!" mes-
sage.
The image is too light or too
dark.
Horizontal bars appear to
flicker, jitter or shimmer on
the image.
Vertical bars appear to flicker,
jitter or shimmer on the
image.
Screen is black and power
indicator light blinks steadily.
Image is not stable and may
appear to vibrate.
Image is not centered on the
screen.
You need the Monitor driver
software.
6.2
C S : T
HAPTER IX ROUBLESHOOTING
Possible Solution
Check the maximum resolution and the frequency of
the video Adapter.
Compare these values with the data in the Display
Modes Timing Chart.
Adjust the Brightness and Contrast.
Adjust the Fine function.
Adjust the Coarse function and then adjust the Fine
function.
The TV is using its power management system.
Move the computer' s mouse or press a key on the
keyboard.
Check that the display resolution and frequency from
your PC or video board is an available mode for your
TV. On your computer check: Control Panel, Display,
Settings.
If the setting is not correct, use your computer utility
program to change the display settings.
NOTE: Your TV supports multiscan display functions
within the following frequency domain:
• Horizontal frequency:
• Vertical frequency:
• Maximum refresh rate:
Adjust the horizontal and vertical position.
Download the driver from WWW pages:
http://www.samsungusa.com/monitor
30 kHz ~ 61 kHz
56 Hz ~ 75 Hz
1280 x 768 @ 60 Hz