Toshiba PROL550 Laptop User Manual


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2TroubleshootingProcedures
SatelliteL550/SatelliteL555/SatelliteL557/SatelliteProL550
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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wirelessLANtest.Refer
toChapter3itemA:CONFIGCHECKTEST”TestandDiagnosticformoreinformationon
theprogram.
Ifanerrorislocated,gotoProcedure2.Ifanerrorisnotlocated,thewirelessLANsystemis
functioningproperly.
Procedure2 Connectorandreplacementcheck
ThewirelessLANantenna,wirelessLANunit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wirelessLANantennaisfirmlyconnectedtotheWireless
LANmodule(refertoChapter4forinstructions)andthatthewirelessLAN
moduleissecurelyslottedintothesystemboard.Iftheproblempersists,goto
Check2.
Check2 CheckthatthewirelesscommunicationfunctionisenablebyBIOSsetupor
FN+F8,andthenmakesurethatthewirelesscommunicationLEDonthefront
panelislight.IftheLEDislightbutthewirelessLANfunctionisstillfaulty,the
antennamaybedamaged.Replacewithanewantennafollowingthestepsin
Chapter4,ReplacementProcedures.Iftheproblempersists,orifthewireless
LANLEDisnotlightwhenthewirelesscommunicationfunctionisenabledby
BIOSsetuporFN+F8,gotoCheck3.
Check3 ThewirelessLANunitmaybedamaged.Replaceitwithanewonefollowingthe
instructionsinChapter4.Iftheproblemstillexists,performCheck4.
Check4 Thesystemboardmaybedamaged.Replaceitwithanewonefollowingthe
instructionsinChapter4.
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