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Chapter. 7
Troubleshooting Guide
Requirements Before Contacting
Samsung Customer Service Center
Before calling Samsung Customer Service Center, test your product as follows.
If the problem persists, contact Samsung Customer Service Center.
Checking the Resolution and Frequency
When a mode exceeds the supported resolution (refer to "Preset Timing Modes"), the
message
"Not Optimum
Mode" will appear briefly.
Check the following.
Screen issue
Troubleshooting
The power LED is off.
Make sure that the power cable is connected.
The screen will not
switch on.
The screen is not clear.
Set the resolution and frequency to the recommended level.
The screen is blurry.
The screen is too bright.
Adjust the
Brightness
The screen is too dark.
Solutions
setting.
Troubleshooting
Screen color is
Adjust the
COLOR
inconsistent.
The colors on the screen
Adjust the
COLOR
have a shadow and are
distorted.
White does not really
Adjust the
COLOR
look white.
There is no image on the
The product is operating in power-saving mode.
screen and the power
Press any key on the keyboard or move the mouse to return
LED blinks every 0.5 to 1
to normal operating mode.
second.
Audio issues
Troubleshooting
There is no sound.
Check that the source device connected to the product is
powered on.
The volume is too low.
Adjust the volume.
If the volume is still low after turning it up to the maximum
level, adjust the volume on your PC sound card or software
program.
Solutions
settings.
settings.
settings.
Solutions
40
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