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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2.5 KeyboardTroubleshooting
Perform externalkeyboardcheck
(Procedure1)
STA RT
D oestheexternal
keyboardfunctionok?
Perform diagnosticcheck
(Procedure2)
W asakeyboard
problemdetected?
Perform connectorand
replacementcheck
(Procedure3)
Replacesystem board
EN D
K eyboardisnot
faulty.C ontinue
troubleshooting-refer
toFigure2.1
Figure2-4Keyboardtroubleshootingprocess
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