PC Mode

Troubleshooting

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

TV Mode 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.

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Samsung 400CXn Problems related to the Screen, Q Check Signal Cable message, Q Not Optimum Mode message, PC Mode, TV Mode