2TroubleshootingProcedures
SatelliteL500D/ProL500DMaintenanceManual
9
2.3 PowerSupplyTroubleshooting
START
AretheDC-INand
BatteryLEDslit?
Canyouturnthe
computeron?
Aretheinternalpower
connectionssecure?
END
CheckPowerSupplyStatus
(Procedure1)
Checkpowersupply
connections
(Procedure3)
Rundiagnosticprogram
(Procedure4)
Replaceadaptor/battery
(Procedure2)
Performinternalconnection
check
(Procedure5)
Replacesystemboard
Figure2-2PowerSupplyTroubleshootingProcess
Thepowersupplycontrolsmanyfunctionsandcomponents.Todetermineifthepower
supplyisfunctioningproperly,startwithProcedure1andcontinuewiththeotherProcedures