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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Procedure2: LANconnectioncheck
Procedure3: LANsetcheck
Procedure1LANDiagnostictest
RuntheDiagnosticProgram,whichwillautomaticallyexecutetheLANtest.Referto
Chapter3itemK:“LANTEST”,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Bluetoothsystemis
functioningproperly.
Procedure2 LANconnectioncheck
TheLANcablemaybedamagedortheconnectionsmaybeloose.PerformCheck1:
Check1 MakesureLANcableisfirmlypluggedintoboththeLANsetandtheLANport
ofthecomputer.Ifthecableisconnectedcorrectly,gotoCheck2.
Check2 MakesuretheLANportisfirmlysecuredtothesystemboardofthecomputer.If
themalfunctionremains,gotoCheck3.
Check3 TheLANcablemaybedamaged.Replacewithagoodcable.Ifthemalfunction
remains,gotoProcedure2.
Procedure3 LANsetcheck
TheLANsetmaybefaulty.PerformCheck1:
Check1 TryusingthesetforLANreception.Ifitdoesnotwork,thesetmaybedamaged.
Ifthesetdoeswork,performCheck2.
Check2 TryconnectingadifferentLANcabletothecomputer.IfthereplacementLAN
cableworks,theoriginalsetmaybedamaged.Ifthereplacementsetdoesnot
workthesystemboardmaybedamaged.Replaceitwithanewonefollowingthe
instructionsinChapter4.
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