Samsung 400T manual Self-Test Feature Check, Video mode not supported, For Better Display

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Check before calling for service Problems and Solutions

Q & A

General Specifications PowerSaver Preset Timing Modes

English > Main > Troubleshooting > Check before calling for service

Check the following items yourself before calling for service. Contact the service center for problems that you cannot solve by yourself.

Self-Test Feature Check Video mode not supported For Better Display

Dot Acceptable Maintenance and Cleaning

- Self-Test Feature Check

Your monitor provides a self test feature that allows you to check whether your monitor is functioning properly.

1.Turn off both your computer and the monitor.

2.Unplug the video cable from the back of the computer.

3.Turn on the monitor.

The figure shown below ("Check Signal Cable") appears on a black background when the monitor is in its normal working condition though it does not sense any video signal: While in the Self-Test mode, the LED power indicator remains green and the figure moves around on the screen.

Failure of any of the boxes to appear indicates a problem with your monitor. This box also appears during normal operation if the video cable becomes disconnected or damaged.

4.Turn off your monitor and reconnect the video cable; then turn on both your computer and the monitor.

If your monitor screen remains blank after using the previous procedure, check your video controller and computer system; your monitor is functioning properly.

- Video mode not supported

This indicates the display resolution or refresh rate is not properly set on your computer video card. Reboot the computer in Safe Mode and select "Default" in the "Refresh Rate Unknown" box while setting Adapter for Display Properties.

Contact the computer dealer or manufacturer for information on Safe Mode Booting.

Refer to Specifications > Preset Timing Modes for the resolutions or frequencies that are supported by the monitor.

The screen sometimes remains black even though it does not show the message "Video mode not supported." This indicates the monitor is set for a frequency out of range or the PowerSaver mode is on.

- For Better Display

1.Selecting Resolution and Color

If the monitor resolution or color is not properly set, the screen may show blurred images or mosaic patterns.

Procedures for setting frequency in the Control Panel may vary depending on the video card.

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Contents SyncMaster 400T English Main Index Notational Do not use a damaged or loose plug PowerUse only a properly grounded plug and receptacle Do not drop the monitor when moving it Do not cover the vents on the monitor cabinetPlace the monitor on a flat and stable surface Set down the monitor carefullyCleaning Keep all power adaptors apart OtherDo not place any heavy objects on the monitor Do not use or store inflammable substances near the monitorRemove and discard vinyl bag from power adaptor before use Keep power adaptor away from any other heat sourceAlways keep power adaptor in well-ventilated area Front Rear Remote Control Mechanical Lay-out UnpackingFront Source buttonRemote Control Mechanical Lay-out RearButton Names Remote ControlReplacing Batteries Page Monitor Head Rear Speaker Mechanical Lay-outSpeaker Mounting Bracket Connecting to a VCR Connecting to a ComputerConnecting Your Monitor Connecting to a DVD Player Connecting a CamcorderConnecting D-TV Set Top Box Connecting SpeakersConnecting to an Audio System and Sub-woofer Introduction InstallMultiple Display Control MDC Page Beginning Port Setting Beginning Main ScreenPower Control Beginning Port ChangeInput Source Control Aspect Ratio Control Video / S-Video / DVD Aspect Ratio Control DTV Aspect Ratio Control PC Analog / PC DigitalTime Control Settings Control Picture Settings Control PictureRGBSettings Control Audio Settings Control Image Lock PC Analog Only TroubleshootingSettings Value Display In Multiple Display Mode Remote Control Buttons Power indicatorUp / Down Key Move button Volume button / Select button Monitor ButtonsExit button Press the menu to exit Menu button Caption button Press to set caption on/off Location button VCR-ControlsStill Volume PC Analog Screen PC Digital Screen Video / S-Video ScreenDVD / DTV Screen Fine tune Self-Test Feature Check Video mode not supportedCheck before calling for service Problems and Solutions For Better DisplayMaintenance and Cleaning Dot AcceptableProblems related to Installation Problems related to ScreenProblems related to Audio Problems related to Remote ControlQuestion Answer PowerSaver Preset Timing Modes GeneralAudio Characteristics PowerSaver EPA/ENERGYPreset Timing Modes Preset Timing ModesHorizontal Frequency Vertical FrequencyService Center BrazilEspaña United KingdomNETHERLANDS/BELGIUM/LUXEMBOURG Sync Signal Types of Sync SignalsResolution Dot PitchRegulatory FCC Information User InstructionsUser Information IC Compliance NoticeEuropean Notice Europe only PCT NoticeHow to install the Natural Color software How to delete the Natural Color software programNatural Color Software Program Natural ColorAuthority
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