Toshiba PSLCAX/PSLCBX Manual

A SERVICE OF

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2Troubleshooting 2.9LAN

2-20 SatelliteL300D/L305D/SatelliteProL300D/EQUIUML300D/SATEGOL300D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

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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,

performCheck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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