Toshiba PROL550 Laptop User Manual


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2TroubleshootingProcedures
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SatelliteL550/ProL550SeriesMaintenanceManual
9
2.3 PowerSupplyTroubleshooting
START
AretheDC-INand
BatteryLEDslit?
Canyouturnthe
computeron?
Aretheinternalpower
connectionssecure?
END
CheckPowerSupplyStatus
(Procedure1)
Checkpowersupply
connections
(Procedure3)
Rundiagnosticprogram
(Procedure4)
Replaceadaptor/battery
(Procedure2)
Performinternalconnection
check
(Procedure5)
Replacesystemboard
Figure2-2PowerSupplyTroubleshootingProcess
Thepowersupplycontrolsmanyfunctionsandcomponents.Todetermineifthepower
supplyisfunctioningproperly,startwithProcedure1andcontinuewiththeotherProcedures
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