IBM P72 manual Troubleshooting

Page 21

Additional Information

Additional Information

 

 

Warning Messages

If there is something wrong with the input signal, one of the following messages appears.

INFORMATION

The input signal condition

“OUT OF SCAN RANGE” indicates that the input signal is not supported by the monitor’s specifications.

“NO INPUT SIGNAL” indicates that no signal is input.

To solve these problems, see “Troubleshooting” below.

Input signal condition

OUT OF SCAN RANGE

Troubleshooting

This section may help you isolate the cause of a problem and as a result, eliminate the need to contact technical support.

Symptom

Check these items

 

 

 

 

 

 

 

 

No picture

 

 

 

 

 

 

 

 

 

 

If the u indicator is not lit

• Check that the power cord is properly connected.

 

 

 

 

• Check that the u (power) switch is in the “on” position.

 

 

 

 

 

 

 

 

 

If the “NO INPUT SIGNAL”

• The screen is blank when the monitor is in power saving mode. Try pressing any key

 

 

 

 

EN

 

message appears on the

on the computer keyboard.

 

 

 

 

screen, or if the u indicator is

• Check that your computer power switch is in the “on” position.

 

 

F

 

either orange or alternating

• Check that the video signal cable is properly connected and all plugs are firmly seated

 

 

between green and orange

in their sockets.

 

 

 

 

• Ensure that no pins are bent or pushed in the HD15 video input connector.

 

ES

 

 

• Check that the video board is completely seated in the proper bus slot.

 

 

 

 

 

 

 

 

 

 

 

 

 

C

 

If the “OUT OF SCAN

• Check that the video frequency range is within that specified for the monitor.

 

 

 

 

 

 

RANGE” message appears on

(Horizontal: 30 – 85 kHz, Vertical: 50 – 150 Hz)

 

 

 

the screen

Refer to your computer’s instruction manual to adjust the video frequency range.

 

 

 

 

• If you are using a video signal cable adapter, check that it is the correct one.

 

 

 

 

 

 

 

 

If no message is displayed

• See “Self-diagnosis Function” (page 17).

 

 

 

and the u indicator is green

 

 

 

 

 

or flashing orange

 

 

 

 

 

 

 

 

Picture is scrambled

• Check your graphics board manual for the proper monitor setting.

 

 

 

 

• Check this manual and confirm that the graphics mode and the frequency you are

 

 

 

 

trying to operate at is supported. Even if the frequency is within the proper range,

 

 

 

 

some video boards may have a sync pulse that is too narrow for the monitor to sync

 

 

 

 

correctly.

 

 

 

 

 

 

Color is not uniform

• Degauss the monitor (page 10).

 

 

 

 

If you place equipment which generates a magnetic field, such as a loudspeaker, near

 

 

 

 

the monitor, or you change the direction of the monitor, color may lose uniformity.

 

 

 

 

The degauss function demagnetizes the metal frame of the CRT to obtain a neutral

 

 

 

 

field for uniform color reproduction. If a second degauss cycle is needed, allow a

 

 

 

 

minimum interval of 20 minutes for the best result.

 

 

 

 

 

 

You cannot adjust the

• If the control lock function is set to on, set it to off using the OPTION OSD (page 11).

 

 

monitor with the buttons on

 

 

 

 

the front panel

 

 

 

 

 

 

 

 

 

 

15

Image 21
Contents P72 Gefahrenhinweis Peligro Fare ∙ $!% Trademarks EditionTable of Contents Installation PrecautionsMaintenance TransportationFront Identifying Parts and ControlsSetup Adjusting the Picture Brightness and ContrastSelecting the On-screen Display Language Using the Center On-screen Display Using the Geom Geometry On- screen Display Using the Size On-screen DisplayUsing the Zoom On-screen Display Press the ?//buttons to adjust the settings ForPressPress the ?//buttons to adjust the picture zoom Using the Color On-screen Display If you are using Enhanced Video EVPress the ¬./buttons to select the color temperature Moire Adjust Using the Screen On-screen DisplayPress the ?//buttons to adjust the settings For Using the Option On-screen DisplayDegaussing the screen Press the ¬./buttons to select ManualChanging the on-screen display position Press the ¬./buttons to select ControlPress the ?//buttons to select on Resetting the Adjustments Using the Lang Language On- screen DisplayResetting an adjustment item Resetting all of the adjustment data for all Input signalsPreset Modes Selecting the Enhanced Video EV ModeDisplaying the Monitor’s Information Press and hold Button for 5 secondsPower Saving Function Damper WiresPlug & Play Troubleshooting Wires are visible Symptom Check these items Screen image is not centeredPower is turned on Or sized properlySpecifications Self-diagnosis FunctionPress the u button to turn the monitor off and on Federal Communications Commission FCC Statement Power CordsHinweise NOMIndustry Canada Compliance Statement Spécifications de la CEE European Union EU StatementErklärung für die Europäische Union EU Declaración de la Unión Europea UEIBM Warranty for Machines Warranty Period* 3 yearsWarranty Service Production StatusLimitation of Liability Extent of WarrantyIBM Warranty Statement Warranty Performance General Page Why do we have environmentally labelled computers? VII Model Description Service Information