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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2.4 DisplayTroubleshooting
Perform externaldisplaycheck
(Procedure1)
STA RT
D oestheexternal
displayfunctionok?
Perform diagnosticcheck
(Procedure2)
W asadisplay
problem detected?
Perform connectorand
replacem entcheck
(Procedure3)
R eplacesystem board
EN D
D isplayisnot
faulty.C ontinue
troubleshooting-
refertoFigure2.1
Figure2-3Displaytroubleshootingprocess
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