60
TroubleshootingProcedures
QOSMIOF50-QOSMIOF55-DYNABOOKQOSMIOF50SeriesMaintenanceManual
 
60
Figure2-22Fingerprintertroubleshootingprocess
TheFingerprinterboardorsystemboardmaybethereasonofafingerprinterfault.Eitherof
thesetwocomponentsmaybedamaged.Todetermineifthecomputer’sFingerprinteris
functioningproperly,performthefollowingprocedures.Figure2-22outlinestheprocess.
StartwithProcedure1andcontinuewiththeotherproceduresasinstructed.
Procedure1: windowsapplicationtest
Procedure2: Connectorandreplacementcheck
Procedure1 windowsapplicationtest
Usewindowsapplicationtocheckdevicecanworkfineornot.Ifanerrorislocated,goto
Procedure2.Ifanerrorisnotlocated,theFingerprintersystemisfunctioningproperly.
Procedure2 Connectorandreplacementcheck
TheFingerprinterboard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FingerprinterboardFFCissecurelyslottedintothesystem
board.Iftheproblempersists,gotoCheck2.
Check2 TheFingerprinterboard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.