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2: CRTsetcheck
Procedure1 CRTconnectioncheck
TheCRTcablemaybedamagedortheconnectionsmaybeloose.PerformCheck1:
Check1 MakesureCRTcableisfirmlypluggedintoboththeCRTsetandtheCRTport
ofthecomputer.Ifthecableisconnectedcorrectly,gotoCheck2.
Check2 MakesuretheCRTportisfirmlysecuredtothesystemboardofthecomputer.If
themalfunctionremains,gotoCheck3.
Check3 TheCRTcablemaybedamaged.Replacewithagoodcable.Ifthemalfunction
remains,gotoProcedure2.
Procedure2 CRTsetcheck
TheCRTsetmaybefaulty.PerformCheck1:
Check1 TryusingthesetforCRTreception.Ifitdoesnotwork,thesetmaybedamaged.
Ifthesetdoeswork,performCheck2.
Check2 TryconnectingadifferentCRTtothecomputer.IfthereplacementCRTworks,
theoriginalsetmaybedamaged.Ifthereplacementsetdoesnotworkthesystem
boardmaybedamaged.Replaceitwithanewonefollowingtheinstructionsin
Chapter4.
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