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SatelliteL550/ProL550SeriesMaintenanceManual
TableofContents
Chapter1 HardwareOverview
1.1 Features..............................................................................................................................1-1
1.2 2.5-inchHDD.....................................................................................................................1-9
1.3 DVDSuperMulti(+-RDoubleLayer)............................................................................1-10
1.4 PowerSupply....................................................................................................................1-11
1.5 Batteries............................................................................................................................1-13
1.5.1 MainBattery.......................................................................................................1-13
1.5.2 BatteryChargingControl...................................................................................1-13
1.5.3 RTCBattery.......................................................................................................1-14
Chapter2 TroubleshootingProcedures
2.1 TroubleshootingIntroduction.................................................................................................3
2.2 TroubleshootingFlowchart....................................................................................................4
2.3 PowerSupplyTroubleshooting..............................................................................................9
2.4 DisplayTroubleshooting.........................................................................................……….14
2.5 KeyboardTroubleshooting...................................................................................................17
2.6 ExternalUSBDevicesTroubleshooting..............................................................................19
2.7 TouchPadTroubleshooting..................................................................................................22
2.8 SpeakerTroubleshooting......................................................................................................24
2.9 WirelessLANTroubleshooting...........................................................................................26
2.10 Cameratroubleshooting.........................…………………………………………………..28
2.11 BluetoothTroubleshooting...................................................................................................30
2.12 3in1cardTroubleshooting..................................................................................................32
2-13 HDD/SSDtroubleshootingprocess......................................................................................34
2-14 CRTfailuretroubleshootingprocess....................................................................................36
2-15 LANTroubleshooting..........................................................................................................38
2-16 MICtroubleshootingprocess...............................................................................................40