Lenovo E93z Specifications Page 60
- Page / 142
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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•AdministratorPassword
•HardDiskPassword
Youdonothavetosetanypasswordstouseyourcomputer.However,usingpasswordsimproves
computingsecurity.Ifyoudecidetosetanypasswords,readthefollowingsections.
Passwordconsiderations
Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Forsecurityreasons,it
isrecommendedtouseastrongpasswordthatcannotbeeasilycompromised.Tosetastrongpassword,
usethefollowingguidelines:
•Haveatleasteightcharactersinlength
•Containatleastonealphabeticcharacterandonenumericcharacter
•SetupUtilityprogramandharddiskpasswordsarenotcasesensitive
•Notbeyournameoryourusername
•Notbeacommonwordoracommonname
•Besignificantlydifferentfromyourpreviouspasswords
Power-onpassword
Whenapower-onpasswordisset,youarepromptedtotypeavalidpasswordeachtimethecomputeris
turnedon.Thecomputercannotbeuseduntilthevalidpasswordistypedin.
Administratorpassword
Settinganadministratorpassworddetersunauthorizedusersfromchangingconfigurationsettings.Ifyou
areresponsibleformaintainingtheconfigurationsettingsofseveralcomputers,youmightwanttosetan
AdministratorPassword.
Whenanadministratorpasswordisset,youarepromptedtotypeavalidpasswordeachtimeyoutryto
accesstheSetupUtilityprogram.TheSetupUtilityprogramcannotbeaccesseduntilavalidpassword
istypedin.
Ifboththepower-onpasswordandadministratorpasswordareset,youcantypeeitherpassword.However,
youmustuseyouradministratorpasswordtochangeanyconfigurationsettings.
Setting,changing,anddeletingapassword
Toset,change,ordeleteapassword,dothefollowing:
1.StarttheSetupUtilityprogram.See“StartingtheSetupUtilityprogram”onpage55.
2.FromtheSetupUtilityprogrammainmenu,selectSecurity.
3.Dependingonthepasswordtype,selectSetPower-OnPassword,SetAdministratorPassword,or
HardDiskPassword.
4.Followtheinstructionsontherightsideofthescreentoset,change,ordeleteapassword.
Note:Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Formore
information,see“Passwordconsiderations”onpage56
.
Erasinglostorforgottenpasswords(clearingCMOS)
Thissectionprovidesinstructionsonhowtoeraselostorforgottenpasswords,suchasauserpassword.
56ThinkCentreE93zHardwareMaintenanceManual
- ThinkCentreE93z 1
- HardwareMaintenanceManual 1
- ThirdEdition(January2014) 2
- GS-35F-05925 2
- Contents 3
- Chapter10.Additionalservice 4
- AppendixA.Notices.........133 4
- Index.................135 4
- 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
- Specifications 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
- Enablingordisablingadevice 61
- Selectingastartupdevice 61
- EnablingErPcompliancemode 62
- ExitingtheSetupUtilityprogram 63
- Chapter7.Symptom-to-FRUIndex 65
- POSTerrorcodes 66
- Miscellaneouserrorconditions 67
- Undeterminedproblems 69
- Chapter8.Locations 71
- .Locations69 73
- LocatingmajorFRUsandCRUs 74
- .Locations71 75
- LookingupFRUinformation 76
- Locatingpartsonthesystemboard 77
- Chapter9.ReplacingFRUs 79
- Figure5.Removingtheframestand 80
- Chapter9.ReplacingFRUs77 81
- Chapter9.ReplacingFRUs79 83
- Removingthecomputercover 84
- Replacingthefeet 85
- Replacingtheharddiskdrive 86
- Chapter9.ReplacingFRUs83 87
- Replacingtheopticaldrive 88
- Chapter9.ReplacingFRUs85 89
- .ReplacingFRUs87 91
- .ReplacingFRUs89 93
- ReplacingtherearI/Oassembly 94
- .ReplacingFRUs91 95
- 1andthepowercable2.Alignthe 96
- 3tosecuretheearthwire 96
- Chapter9.ReplacingFRUs93 97
- .ReplacingFRUs95 99
- Replacingthemicroprocessorfan 101
- Replacingtheheatsinkassembly 103
- Replacingthemicroprocessor 104
- Chapter9.ReplacingFRUs101 105
- 4ofthemicroprocessorsocket 106
- Replacingthecardreader 107
- ReplacingtheGPUfan 108
- .ReplacingFRUs105 109
- Replacingthebattery 110
- Replacingtheconverterboard 111
- Attention: 113
- Replacingtheinternalspeakers 114
- Chapter9.ReplacingFRUs111 115
- Replacingtheintegratedcamera 116
- .ReplacingFRUs113 117
- Replacingthesystemboard 118
- Chapter9.ReplacingFRUs115 119
- ReplacingtheLCDpanelassembly 121
- Chapter9.ReplacingFRUs119 123
- ReplacingtheWi-Ficard 125
- Figure66.RemovingtheWi-Ficard 126
- Replacingthekeyboardormouse 127
- Replacingthewirelesskeyboard 128
- Replacingthewirelessmouse 128
- Chapter9.ReplacingFRUs125 129
- Completingthepartsreplacement 130
- Chapter9.ReplacingFRUs127 131
- ©CopyrightLenovo2013,2014 133
- Powermanagement 136
- AutomaticPower-onfeatures 136
- AppendixA.Notices 137
- Televisionoutputnotice 138
- EuropeanconformanceCEmark 138
- Trademarks 138
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