Problems related to the screen, Pc mode, Tv mode – Samsung 400CXN User Manual
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PC Mode
Q:
The LCD Display screen flickers.
A:
Check if the signal cable between the computer and the LCD Display is securely connected.
(Refer to Connecting a Computer)
TV Mode
Q:
TV screen is blurred or shows noise signals.
A:
Check if the TV antenna connector is securely connected to the external antenna.(Refer to
Connecting TV)
Q:
TV signal is not received
A:
Select "Auto Program" to configure the channel system automatically. (Refer to the Auto Pro-
gram)
Problems related to the Screen
Note
Problems related to the LCD Display screen and their solutions are listed.
Q:
The screen is blank and the power indicator is off.
A:
Ensure that the power cord is firmly connected and the LCD Display is on.
(Refer to the Connecting a Computer)
Q:
"Check Signal Cable" message.
A:
Ensure that the signal cable is firmly connected to the PC or video sources.
(Refer to the Connecting a Computer)
A:
Ensure that the PC or video sources are turned on.
Q:
"Not Optimum Mode" message.
A:
Check the maximum resolution and the frequency of the video Adaptor.
A:
Compare these values with the data in the Preset Timing Modes Chart.
Q:
The picture rolls vertically.
A:
Check if the signal cable is securely connected. Re-connect it, if necessary.
(Refer to Connecting a Computer)
Q:
The image is not clear; picture is blurred.
A:
Run Frequency Coarse and Fine tuning.
A:
Turn on again after removing all accessories (video extension cable, etc.)
A:
Set the resolution and frequency to the recommended ranges.
Q:
The picture image is unstable and shakes.
Troubleshooting