Toshiba PROL550 Laptop User Manual


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2TroubleshootingProcedures
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SatelliteL550/ProL550SeriesMaintenanceManual
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Ifthediagnosticsprogramcannotdetectanerror,theproblemmaybeintermittent.Thetest
programshouldbeexecutedseveraltimestoisolatetheproblem.Whenaproblemhasbeen
located,performtheappropriatetroubleshootingproceduresasfollows:
1. Ifanerrorisdetectedbythebatterytest,performthePowerSupplyTroubleshooting
proceduresinSection2.3
2. Ifanerrorisdetectedbythedisplaytest,performtheDisplayTroubleshooting
proceduresinSection2.4
3. Ifanerrorisdetectedbythekeyboardtest,performtheKeyboardTroubleshooting
proceduresinSection2.5
4. IfanerrorisdetectedbytheTouchPadtest,performtheTouchPadTroubleshooting
proceduresinSection2.7
5. Ifanerrorisdetectedbytheaudiotest,performtheSpeakerTroubleshooting
proceduresinSection2.8andtheOpticalDriveTroubleshootingProceduresin
Section2.9
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