Samsung SyncMaster 400P User Manual page 154

Problems related to the Screen
Note
• Problems related to the LCD Display screen and their solutions are listed.
Problems
The screen is blank and the
power indicator is off.
"Check Signal Cable"
message.
"Not Optimum Mode "
message.
The picture rolls vertically.
The image is not clear;
picture is blurred.
The picture image is unstable
and shakes.
Ghost images are shown in
the picture.
The image is too light or too
dark.
The screen color is
inconsistent.
The color image is distorted
by dark shadows.
The color white is poor.
The power Indicator blinks
green.
The screen is blank and the
power indicator light is
steady green or blinks every
0.5 or 1 seconds.
The screen is blank and is
blinking.
Problems related to Audio
Solutions
Ensure that the power cord is firmly connected and the LCD
LCD Display is on.
(Refer to the Connecting the LCD Display
Ensure that the signal cable is firmly connected to the PC or
video sources.
(Refer to the Connecting the LCD Display
Ensure that the PC or video sources are turned on.
Check the maximum resolution and the frequency of the
video Adaptor.
Compare these values with the data in the
Modes Chart.
Check if the signal cable is securely connected.
Re-connect it, if necessary.
(Refer to Connecting to a Computer)
Run Frequency Coarse and Fine
Turn on again after removing all accessories
(video extension cable, etc.)
Set the resolution and frequency to the recommended
ranges.
Check if the resolution and frequency set for the computer
video card falls in the range supported by the LCD Display.
If not, reset them referring to the current Information under
the LCD Display menu and Preset Timing
Adjusts the brightness and contrast.
(Refer to the Brightness, Contrast)
Adjust color using Custom under OSD Color Adjustment
menu.
The LCD Display is currently saving the changes made to
the settings to the OSD memory.
The LCD Display is using its power management system.
Press a key on the keyboard.
If you see the "TEST GOOD" message on the screen when
you pressing the MENU button, check the cable connection
between the LCD Display and the computer to ensure that
the connector is properly connected.
)
)
Preset Timing
tuning.
Modes.