Lenovo Laptop E93 Manuale Utente Pagina 60
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Valutato. / 5. Basato su recensioni clienti
•AdministratorPassword
•HardDiskPassword
Youdonothavetosetanypasswordstouseyourcomputer.However,usingpasswordsimproves
computingsecurity.Ifyoudecidetosetanypasswords,readthefollowingsections.
Passwordconsiderations
Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Forsecurityreasons,it
isrecommendedtouseastrongpasswordthatcannotbeeasilycompromised.Tosetastrongpassword,
usethefollowingguidelines:
•Haveatleasteightcharactersinlength
•Containatleastonealphabeticcharacterandonenumericcharacter
•SetupUtilityprogramandharddiskpasswordsarenotcasesensitive
•Notbeyournameoryourusername
•Notbeacommonwordoracommonname
•Besignicantlydifferentfromyourpreviouspasswords
Power-onpassword
Whenapower-onpasswordisset,youarepromptedtotypeavalidpasswordeachtimethecomputeris
turnedon.Thecomputercannotbeuseduntilthevalidpasswordistypedin.
Administratorpassword
Settinganadministratorpassworddetersunauthorizedusersfromchangingcongurationsettings.Ifyou
areresponsibleformaintainingthecongurationsettingsofseveralcomputers,youmightwanttosetan
AdministratorPassword.
Whenanadministratorpasswordisset,youarepromptedtotypeavalidpasswordeachtimeyoutryto
accesstheSetupUtilityprogram.TheSetupUtilityprogramcannotbeaccesseduntilavalidpassword
istypedin.
Ifboththepower-onpasswordandadministratorpasswordareset,youcantypeeitherpassword.However,
youmustuseyouradministratorpasswordtochangeanycongurationsettings.
HardDiskPassword
SettingaHardDiskPasswordpreventsunauthorizedaccesstothedataontheharddiskdrive.Whena
HardDiskPasswordisset,youarepromptedtotypeavalidpasswordeachtimeyoutrytoaccessthe
harddiskdrive.
Notes:
•AfteryousetaHardDiskPassword,yourdataontheharddiskdriveisprotectedeveniftheharddisk
driveisremovedfromonecomputerandinstalledinanother.
•IftheHardDiskPasswordisforgotten,thereisnowaytoresetthepasswordorrecoverdatafromthe
harddiskdrive.
Setting,changing,anddeletingapassword
Toset,change,ordeleteapassword,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.
56ThinkCentreE93HardwareMaintenanceManual
- ThinkCentreE93 1
- HardwareMaintenanceManual 1
- SecondEdition(November2013) 2
- GS-35F-05925 2
- Contents 3
- Chapter1.Aboutthismanual 5
- Chapter2.Safetyinformation 7
- Safetyinspectionguide 9
- Groundingrequirements 10
- Chapter2.Safetyinformation7 11
- .Safetyinformation9 13
- Chapter2.Safetyinformation11 15
- .Safetyinformation13 17
- .Safetyinformation15 19
- Chapter2.Safetyinformation17 21
- ≥18kg≥32kg≥55kg 23
- .Safetyinformation21 25
- Chapter2.Safetyinformation25 29
- Chapter3.Generalinformation 33
- Formachinetype:10AQ 34
- Lenovoprograms 34
- Chapter3.Generalinformation31 35
- LenovoSupportWebsite 36
- Chapter4.Generalcheckout 37
- Basictroubleshooting 39
- Troubleshootingprocedure 40
- Troubleshooting 41
- Audioproblems 41
- NoaudioinWindows 42
- CDproblems 43
- DVDproblems 44
- Intermittentproblems 45
- Harddiskdriveproblems 45
- Monitorproblems 48
- Networkingproblems 50
- Optionproblems 52
- Performanceandlockupproblems 53
- Printerproblems 55
- Serialportproblems 55
- Softwareproblems 56
- USBproblems 57
- Diagnostics 57
- LenovoSolutionCenter 58
- Viewingandchangingsettings 59
- Usingpasswords 59
- Passwordconsiderations 60
- Power-onpassword 60
- Administratorpassword 60
- HardDiskPassword 60
- Enablingordisablingadevice 61
- Selectingastartupdevice 62
- EnablingErPcompliancemode 62
- ICEperformancemode 63
- ICEthermalalert 63
- ExitingtheSetupUtilityprogram 64
- Chapter7.Symptom-to-FRUIndex 65
- POSTerrorcodes 66
- .Symptom-to-FRUIndex63 67
- Miscellaneouserrorconditions 68
- Undeterminedproblems 69
- Chapter8.Locations 71
- .Locations69 73
- LocatingmajorFRUsandCRUs 74
- .Locations71 75
- LookingupFRUinformation 76
- Locatingpartsonthesystemboard 77
- Locatinginternaldrives 78
- .Locations77 81
- Attention: 100
- SetupGuide,goto: 100
- Replacingthesystemfan 102
- Replacingthemicroprocessor 105
- 2onthemicroprocessor 107
- InstallingorreplacingaPCIcard 108
- Figure34.RemovingaPCIcard 109
- Figure35.InstallingaPCIcard 110
- Replacingthebattery 111
- Replacingthesystemboard 114
- 2ofthemicroprocessorsocket 116
- ReplacingtheWi-Fiunits 117
- RemovingtheWi-Ficardmodule 119
- InstallingtheWi-Fiunits 120
- InstallingtherearWi-Fiantenna 122
- RemovingtherearWi-Fiantenna 123
- Completingthepartsreplacement 126
- Installingorreplacinghardware 129
- Installingexternaloptions 129
- Removingthecomputercover 130
- 1inwardandpivotthedrivebay 133
- Replacingtheharddiskdrive 136
- Replacingthesolid-statedrive 138
- Figure77.Removingthesystemfan 143
- Replacingtheopticaldrive 144
- Replacingtheslimcardreader 147
- Figure97.InstallingaPCIcard 158
- 1onthememory 161
- RemovingthefrontWi-Fiantenna 172
- ©CopyrightLenovo2013 175
- Powermanagement 178
- AutomaticPower-onfeatures 178
- AppendixA.Notices 179
- Televisionoutputnotice 180
- EuropeanconformanceCEmark 180
- Trademarks 180
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