Lenovo E73 Spezifikationen PDF herunterladen (Seite 3)

Contents

Chapter1.Aboutthismanual......1

Importantsafetyinformation..........1

Chapter2.Safetyinformation......3

Generalsafety................3

Electricalsafety...............3

Voltage-selectionswitch............5

Safetyinspectionguide............5

Handlingelectrostaticdischarge-sensitive

devices..................6

Groundingrequirements............6

Safetynotices(multi-lingualtranslations).....6

Chapter3.Generalinformation....29

Speciﬁcations...............29

Formachinetypes:10AS,10AV,10DR,and

10DS................29

Formachinetypes:10AU,10AW,10BF,10BG,

10DU,and10DT............30

Lenovoprograms.............30

AccessingLenovoprogramsontheWindows

7operatingsystem...........30

AccessingLenovoprogramsontheWindows

8orWindows8.1operatingsystem....31

LenovoSupportWebsite..........32

Chapter4.Generalcheckout.....33

Problemdeterminationtips..........33

Chapter5.Troubleshootingand

diagnostics..............35

Basictroubleshooting............35

AccessingControlPanelontheWindows8or

Windows8.1operatingsystem........36

Troubleshootingprocedure..........36

Troubleshooting..............37

Audioproblems............37

CDproblems.............39

DVDproblems.............40

Intermittentproblems..........41

Harddiskdriveproblems.........41

Keyboard,mouse,orpointingdevice

problems...............42

Monitorproblems............44

Networkingproblems..........45

Optionproblems............48

Performanceandlockupproblems.....48

Printerproblems............50

Serialportproblems...........51

Softwareproblems...........51

USBproblems.............52

Diagnostics................53

LenovoSolutionCenter.........53

UEFIdiagnosticprogram.........53

Chapter6.UsingtheSetupUtility

program................55

StartingtheSetupUtilityprogram.......55

Viewingandchangingsettings........55

Usingpasswords..............55

Passwordconsiderations.........56

Power-OnPassword..........56

AdministratorPassword.........56

HardDiskPassword...........56

Setting,changing,anddeletingapassword.56

Erasinglostorforgottenpasswords(clearing

CMOS)................57

Enablingordisablingadevice........57

Selectingastartupdevice..........58

Selectingatemporarystartupdevice....58

Selectingorchangingthestartupdevice

sequence...............58

EnablingErPLPScompliancemode......58

ChangingtheBIOSsettingsbeforeinstallinganew

operatingsystem..............59

ExitingtheSetupUtilityprogram.......59

Chapter7.Symptom-to-FRUindex..61

Harddiskdrivebooterror..........61

Powersupplyproblems...........61

Beepsymptoms..............61

POSTerrorcodes.............62

Miscellaneouserrormessages........64

Undeterminedproblems...........65

Chapter8.Locations.........67

Formachinetypes:10AS,10AV,10DR,and

10DS..................67

Locatingconnectors,controls,andindicators

onthefrontofyourcomputer.......67

Locatingconnectorsontherearofyour

computer...............68

LocatingmajorFRUsandCRUs......69

LookingupFRUinformation.......71

Locatingpartsonthesystemboard....72

Locatinginternaldrives.........73

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