Toshiba PROL550 Laptop User Manual


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2TroubleshootingProcedures
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SatelliteL550/ProL550SeriesMaintenanceManual
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Procedure3 Connectorandreplacementcheck
TheLCDmoduleandsystemboardareconnectedtothedisplaycircuits.Anyofthese
componentsmaybedamaged.RefertoChapter4,ReplacementProcedures,forinstructions
onhowtodisassemblethecomputerandthenperformthefollowingchecks:
Check1 MakesuretheDDRmoduleisseatedproperly.Testdisplayagain.Iftheproblem
stillexits,replacetheDDRRAMmodule.Iftheproblemstillexists,perform
Check2.
Check2 ReplacetheLCDmodulewithanewoneandtestdisplayagain.Iftheproblem
stillexists,performCheck4.
Check3 ReplacetheLCDcablewithanewoneandtestdisplayagain.Iftheproblemstill
exists,performCheck5.
Check4 Thesystemboardmaybedamaged.Replaceitwithanewone.
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