Toshiba L517 Personal Computer User Manual


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2Troubleshooting 2.9LAN
2-20 Satellite/SatelliteProL510/L515/L517MaintenanceManual
2.9 LAN
Tocheckifthecomputer’sLANisdefectiveormalfunctioning,followthetroubleshooting
proceduresbelowasinstructed.
Procedure1TestProgramCheck
Procedure2ConnectorCheckandReplacementCheck
Procedure1TestProgramCheck
ExecutetheLANcheckprogramavailableaspartofthemaintenancetestprogram.This
programwillchecktheLAN.InserttheBootableCDintotheCD.Turnonthecomputer
andrunthecheckprogram.SeeChapter3forinformationonhowtoperformthecheck.
Ifanyabnormalisdetectedbythecheck,gotoProcedure2
Procedure2ConnectorCheckandReplacementCheck
TheLANconnector(RJ45)ismountedonthesystemboard.IftheLANmalfunctions,the
systemboardorCPUmightbefaulty.
DisassemblethecomputerfollowingthestepsdescribedinChapter4andperformthe
followingchecks:
Check1 Thesystemboardmaybefaulty.Replaceitwithanewonefollowingthe
instructionsinChapter4.IftheLANisstillnotfunctioningproperly,
performCheck2.
Check2 Thememorymaybedefective.Replacethememorymodulewithanew
onefollowingthestepsdescribedinChapter4.Iftheproblempersists,
performCheck3.
Check3 TheCPUmaybefaulty.Disassemblethecomputerfollowingthesteps
describedinChapter4andreplacetheCPUwithanewone.
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