Check before calling for service Problems and Solutions

Q & A

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The following table lists possible problems and their solutions. Before calling for service, check the information in this section to see if you can remedy any problems yourself. If you do need assistance, please call the phone number on the warranty card, the phone number on the Information section or contact your dealer.

Installation Screen Audio Remote Control

1. Problems related to Installation

Problems related to the monitor installation and their solutions are listed.

Problems

 

Solutions

 

 

 

 

 

 

The monitor screen flickers.

 

z Check if the signal cable between the computer and the

 

 

monitor is securely connected and tightened. (Refer to

 

 

Connecting to a Computer)

 

 

 

 

 

 

Strange characters appear on the

 

z Switch "Caption On" to "Caption Off" if strange characters

screen.

 

appear on the Monitor screen. (Refer to Closed Caption)

 

 

 

2. Problems related to Screen

Problems related to the monitor screen and their solutions are listed.

Problems

 

 

Solutions

 

 

 

 

 

 

 

 

Screen is blank and power

 

z

Ensure that the power cord is firmly connected and the LCD

indicator is off

 

 

monitor is on. (Refer to the Connecting Your Monitor)

 

 

 

 

 

 

 

 

"Check Signal Cable" message

 

z

Ensure that the signal cable is firmly connected to the PC or

 

 

 

video sources. (Refer to the Connecting Your Monitor)

 

 

z

Ensure that the PC or video sources are turned on.

 

 

 

 

 

 

 

 

"Video mode not supported"

 

z

Check the maximum resolution and the frequency of the

message

 

 

video adaptor.

 

 

z

Compare these values with the data in the Preset Timing

 

 

 

Modes Chart.

 

 

 

 

 

 

 

 

Picture rolls vertically.

 

z

Check if the signal cable is securely connected. Connect it

 

 

 

again securely.(Refer to Connecting to a Computer)

 

 

 

 

 

 

 

 

Image is not clear. Picture is

 

z

Turn on again after removing all accessories (video

blurred.

 

 

extension cable, etc.)

 

 

z

Set resolution and frequency to the recommended ranges.

 

 

 

(1280 x 768 @ 60Hz)

 

 

 

 

The image is too light or too dark

Screen color is inconsistent.

Color image is distorted with dark shadows.

White color is poor.

Power Indicator blinks green.

zAdjust the Brightness and Contrast (Refer to the Brightness, Contrast)

zAdjust color using Mode under OSD Color Adjustment menu.

zThe monitor is currently saving the changes made in settings to the OSD memory.

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Samsung 400T manual Problems related to Installation, Problems related to Screen