Toshiba PSLCAX/PSLCBX Manual

A SERVICE OF

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2Troubleshooting 2.11CoolingModule

2-22 SatelliteL300D/L305D/SatelliteProL300D/EQUIUML300D/SATEGOL300DMaintenanceManual

2.11CoolingModule

Tocheckifthecomputer’scoolingmodule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FanOn/offtestprogramavailableaspartofthemaintenancetestprogram.This

testprogramchecksthecoolingmodule.InsertthediagnosticsbootableCDinthe

computer'sCD,turnonthecomputerandrunthetest.SeeChapter3forinformationonhow

toperformthetest.

Ifanyerrorisdetectedbythetest,gotoProcedure2.



Procedure2ConnectorCheckandReplacementCheck

Thecoolingmoduleisconnectedtothesystemboard.Ifthecoolingmodulemalfunctions,

theremaybeabadconnectionbetweenthecoolingmoduleandthesystemboardoreither

mightbefaulty.

DisassemblethecomputerfollowingthestepsdescribedinChapter4andperformthe

followingchecks:



Check1 Makesurethecoolingmodulehasbeenfirmlyconnectedtotheconnector

onthesystemboard.Alsomakesurethatthetapeisnotstucktoanypart

ofthefanandthatthefanisfreeofforeignmatter.



Coolingmodule

Systemboard

CPU





Iftheconnectorisdisconnected,connectitfirmlytothesystemboardand

returntoProcedure1.Ifthetapeisstucktoanypartofthefan,stickitback

tothespecifiedpoint.Ifaforeignmatterisfoundinthefan,removeitand

thenreturntoProcedure1.Ifthereisstillanerror,performCheck2.

Check2 Thecoolingmodulemaybefaulty.Replaceitwithanewonefollowingthe

stepsinChapter4.Ifthecoolingmoduleisstillnotfunctioningproperly,

performCheck3.

Check3 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4.

Check4 TheCPUmaybefaulty.Disassemblethecomputerfollowingthesteps

describedinChapter4andreplacetheCPUwithanewone.