Toshiba Qosmio F50 Laptop User Manual


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TroubleshootingProcedures
QOSMIOF50-QOSMIOF55-DYNABOOKQOSMIOF50SeriesMaintenanceManual
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Figure2-12IEEE1394troubleshootingprocess
Todetermineifthecomputer’sIEEE1394systemisfunctioningproperly,performthe
followingprocedures.Figure2-14outlinestheprocess.StartwithProcedure1andcontinue
withtheotherproceduresasinstructed.
Procedure1: IEEE1394devicecheck
Procedure2: Diagnosticcheck
Procedure3: Connectionandreplacementcheck
Procedure1 IEEE1394devicecheck
ConnectanIEEE1394devicetothecomputer’sIEEE1394port,thenbootthecomputerfor
WindowsVista.Thecomputershouldautomaticallydetectthe1394device.Checkwhether
thedevicecantransmitdatatothecomputer.
Ifthedeviceisabletocommunicatewiththecomputer,theproblemmaybeintermittentor
connectionsmaybefaulty.GotoProcedure2.
Ifcommunicationisimpaired,theremaybeafaultyconnection.GotoProcedure3.
Procedure2 Diagnosticcheck
RuntheDiagnosticProgram,whichwillautomaticallyexecutetheIEEE1394Devicecheck.
RefertoChapter3.TestsandDiagnosticsformoreinformationPLSusewindows
application.
Ifanerrorislocated,gotoProcedure3.Ifanerrordoesnotoccur,the1394portis
functioningproperly.
Procedure3 Connectionandreplacementcheck
Thetransmissioncablemaybedamagedortheconnectionsmaybeloose.PerformCheck1:
Check1 MakesurethetransmissioncableisfirmlypluggedintoboththeIEEE1394-
compatibledeviceandtheIEEE1394portofthecomputer.Ifthecableis
connectedcorrectly,gotoCheck2.
Check2 MakesuretheIEEE1394portisfirmlysecuredtothesystemboardofthe
computer.Ifthemalfunctionpersists,gotoCheck3.
Check3 Thetransmissioncablemaybedamaged.Replacewithagoodcable.Ifthe
malfunctionpersists,gotoCheck4
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