Lenovo 04N7323, 2268-46E, 04N7322, 2268-06E manual Troubleshooting, Possible causes, A12

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3828TUO032A-199.5.311:35PM˘ ` A12

Troubleshooting

Symptom: The power LED is amber.

Possible causes:

Display power management mode. There is no sync signal.

The signal cable is not fastened securely.

Check the computer power and graphics adapters configuration. The frequency of the sync input is outside the operating range of the monitor.

HORZ: 30kHz-49kHz

VERT: 50Hz-90Hz

Symptom: The image on the SCREEN is not centered, or too small or not a rectangle shape.

Possible Causes: Image adjustment not been done yet in the current operating mode. Use the SELECT and +/- buttons to set the image to your liking.

Symptom:The monitor doesn't enter the power saving of mode (Amber led).

Possible Causes:Computer video signal is not VESA DPMS standard. Enter the PC or the video controller card is not using the VESA DPMS power management function.

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Contents Edition TrademarksEnergy Star is a U.S. registered mark Product package should include the following items Packing ListTable of Contents Workplace preparation PrecautionsWorking Practices Power cord Power SourceTilt/Swivel Base Connections InstallationLocation and Function of Controls Front ViewRear View Contrast Power On/Off ButtonPower Indicator Image Selection and Adjustment buttonsSize Image Control IconsIcon Description Horizontal PositionPower Management System Low Radiation Compliance MPRDDC Display Data Channel A10 General OperationFactory Preset Timing Signal Chart Video Memory ModesA11 Troubleshooting Possible causesA12 Further help Call IBM Helpcenter US call Canada callA13 A14 ServiceA15 SpecificationsSync Signal type Type Signal Connector Pin AssignmentPower Consumption Table ResolutionSignal connector Power inputA17 CompliancesFederal Communications CommissionFCC Statement Industry Canada Compliance StatementA18 A19 Service InformationEuropean Union EU Statement Model TypeStatement of Limited Warranty WarrantyWarranty