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TroubleshootingProcedures
QOSMIOF50-QOSMIOF55-DYNABOOKQOSMIOF50SeriesMaintenanceManual
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TheHDDorsystemboardmaybethereasonofaHDDfault.Eitherofthesetwocomponents
maybedamaged.Todetermineifthecomputer’sHDDisfunctioningproperly,performthe
followingprocedures.Figure2-15outlinestheprocess.StartwithProcedure1andcontinue
withtheotherproceduresasinstructed.
Procedure1: Diagnostictest
Procedure2: Connectorandreplacementcheck

Procedure1 Diagnostictest

RuntheDiagnosticProgram,whichwillautomaticallyexecutetheHDDR/Wtest.Referto
Chapter3,TestsandDiagnosticsformoreinformationontheprogram.
Ifanerrorislocated,gotoProcedure2.Ifanerrorisnotlocated,theHDDfunctionis
functioningproperly.

Procedure2 Connectorandreplacementcheck

TheHDDmoduleorsystemboardmaybedisconnectedordamaged.Disassemblethe
computerfollowingthestepsdescribedinChapter4,

ReplacementProcedures

,andperform
thefollowingchecks.
Check1 MakesurethattheHDDmoduleissecurelyslottedintothesystemboard.Ifthe
problempersists,gotoCheck2.
Check2 TheHDDmodulemaybedamaged.Replaceitwithanewonefollowingthe
instructionsinChapter4.Iftheproblemstillexists,performCheck3.
Check3 Thesystemboardmaybedamaged.Replaceitwithanewonefollowingthe
instructionsinChapter4.