IBM S84H-4552-00 manual Problem

Page 18

ŸIf the external display is attached to the display adapter:

1.Display adapter

2.Main card of SelectaDock Docking System

3.Riser card

If the screen is not rolling, do the following to run the display self-test:

1.Power-off the computer on the SelectaDock Docking System and the external display.

2.Disconnect the external display signal cable from the SelectaDock Docking System.

3.Power-on the external display.

4. Turn the contrast control to its maximum position.

5.Turn the brightness control to its center detect position.

Check for the following conditions:

ŸThe screen should be white or light gray, with a black margin. See the appropriate display manuals for the correct self-test condition.

ŸThe screen contrast and brightness controls should change the intensity of the screen.

If the external display does not meet these specifications, replace the external display.

If the external display meets these specifications, replace FRUs in the following order one at a time until the problem is corrected.

 

Note

 

 

 

 

 

 

 

 

 

If the replaced FRUs do

not

resolve

the problem,

put the original FRUs back

in

the

SelectaDock

Docking System. Do not replace nondefective

FRUs.

 

 

 

 

 

 

 

 

 

ŸIf the external display is attached to the SelectaDock Docking System:

1.Main card of SelectaDock Docking System

2.External display

ŸIf the external display is attached to the display adapter:

1.Display adapter

2.Main card of SelectaDock Docking System

3.Riser card

4.External display

10 IBM Mobile Systems HMM

Image 18
Contents IBM Page IBM Apply United First1996 LawThinkPad SelectaDock Docking System Iv IBM Mobile Systems HMM Contents Vi IBM Mobile Systems HMM Read This First Warranty Note Following is not covered under warrantyGeneral Preparation SelectaDock Docking SystmemansCheckout Guide BeepTheNumeric Power Supply Power Supply Connector Pin List Min MaxPrinter External DisplayProblem How To Run Diagnostics Diagnostics for ThinkPadExternal Keyboard Esc HowDiagnostics for the SelectaDock Docking System TheLogo ScreenUnit TheMainIf the initialization fails, the following screen appears Scsi CD-ROM Page Symptom-to-FRU Index Numeric Error Codes Used6XX Diagnostic Error Codes Device IDPCMCIA-1 Digits first then Replace Beep Symptoms Keyboard-Related SymptomsIndicator-Related Symptoms Power-Related Symptoms Peripheral-Device-Related SymptomsUltraBay-Tray-Related Symptoms PC-Card-Related Symptoms Scsi Device-Related SymptomsAudio-Related Symptoms Sound Blaster-Related SymptomsMIDI/Joystick-Port-Related Symptoms Adapter-Related Symptoms Intermittent Symptoms Other SymptomsUndetermined Problems Feature Description Game SwitchFeature Removal and Replacement Base Model Option Card Cover / Option Card PC Card 1040 1-Inch-High Bay Device Tray Half-Height Bay Frame Upper Cover When replacing Bracket Speaker Assembly Power Supply Cables Shield Cover Main Card Assembly Careful not to damage the connector Audio Card / Main Card / RiserLocations Front ViewView continue Side View Rear View Parts List Options CoverPower Cords Use the power cord certified for your countryTrademarks PcmciaPage IBM