Lenovo E49 Manuale Utente Scaricare il pdf (Pagina 3)

Contents

Aboutthismanual...........iii

Chapter1.Safetyinformation.....1

Generalsafety...............1

Electricalsafety..............2

Safetyinspectionguide...........3

Handlingdevicesthataresensitivetoelectrostatic

discharge.................3

Groundingrequirements...........4

Safetynotices(multilingualtranslations).....4

Lasercompliancestatement(multilingual

translations)................19

Chapter2.Importantservice

information..............27

StrategyforreplacingFRUs.........27

Strategyforreplacingaharddiskdrive...28

Importantnoticeforreplacingasystem

board................28

ImportantinformationaboutreplacingRoHS

compliantFRUs..............28

Chapter3.Generalcheckout.....29

Whattodorst..............29

Powersystemcheckout...........30

Checkingtheacpoweradapter......30

Checkingoperationalcharging......31

Checkingthebatterypack........31

Chapter4.Relatedservice

information..............33

Recoveringthecomputersettings.......33

Passwords................33

Power-onpassword...........33

Supervisorpassword..........33

Powermanagement............34

Screenblankmode...........34

Sleepmode..............34

Hibernationmode...........34

Chapter5.LenovoE49andZhaoYang

E49..................37

Specications...............37

Statusindicators..............38

Fnkeycombinations............39

Chapter6.FRUreplacement

notices................41

Screwnotices...............41

Chapter7.Removingandreplacinga

FRU..................43

Generalguidelines.............43

1010Batterypack.............44

1020Opticaldrive.............44

1030Bottomslotcover...........46

1040Memorymodules...........46

1050Harddiskdriveassembly........47

1060PCIExpressMiniCardforwirelessLAN..49

1070Thermalfanassembly.........51

1080Microprocessor............53

1090Keyboard..............54

1100Keyboardbezel............57

1110Powerboard.............59

1120Backupbattery............60

1130Systemboardassembly.........61

1140LCDunit...............62

1150DC-incableandbasecover.......65

2010LCDfrontbezel............67

2020Integratedcamera...........69

2030LCDpanel,LCDcable,andhinges....69

2040AntennaassemblyandLCDrearcover...71

Chapter8.Locations.........73

Frontview................73

Right-sideview..............74

Rearview.................74

Bottomandleft-sideview..........75

Chapter9.Partslist..........77

Overall..................78

LCDFRUs................81

Keyboard.................83

Miscellaneousparts............83

acpoweradapters.............83

Powercords...............84

AppendixA.Notices..........89

Electronicemissionsnotices.........90

Trademarks................90

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