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1: Diagnostictest
Procedure2: Connectorandreplacementcheck
Procedure1 Diagnostictest
RunthefunctioningProgramonWindowsmodel,whichwilldisplaytheMICtestresult.
IftestsanddiagnosticsresultabnormalgotoProcedure2.Ifanerrorisnotlocated,theMIC
modulefunctioningisproperly.
Procedure2 Connectorandreplacementcheck
TheMICline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MIClineissecurelyslottedintothesystemboard.Ifthe
problemremains,gotoCheck2.
Check2 TheMICline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.
2.17ButtonTroubleshooting
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