Lenovo M5800 Desktop Bedienungsanleitung Seite 56
- Seite / 120
- Inhaltsverzeichnis
- FEHLERBEHEBUNG
- LESEZEICHEN
Bewertet. / 5. Basierend auf Kundenbewertungen
Passwordconsiderations
Apasswordcanbeanycombinationofupto64alphabeticandnumericcharacters.Forsecurityreasons,it
isrecommendedtouseastrongpasswordthatcannotbeeasilycompromised.Tosetastrongpassword,
usethefollowingguidelines:
•Haveatleasteightcharactersinlength
•Containatleastonealphabeticcharacterandonenumericcharacter
•SetupUtilityprogramandharddiskdrivepasswordsarenotcasesensitive
•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”onpage49.
2.FromtheSetupUtilityprogrammainmenu,selectSecurity.
3.Dependingonthepasswordtype,selectSetPower-OnPassword,SetAdministratorPassword,or
HardDiskPassword.
4.Followtheinstructionsontherightsideofthescreentoset,change,ordeleteapassword.
50LenovoM5800HardwareMaintenanceManual
- LenovoM5800 1
- HardwareMaintenanceManual 1
- FirstEdition(August2013) 2
- Contents 3
- Chapter9.Additionalservice 4
- AppendixA.Notices.........109 4
- Index.................111 4
- Aboutthismanual 5
- Chapter1.Safetyinformation 7
- Voltage-selectionswitch 9
- Safetyinspectionguide 9
- Groundingrequirements 10
- Chapter1.Safetyinformation5 11
- .Safetyinformation7 13
- Chapter1.Safetyinformation9 15
- .Safetyinformation11 17
- .Safetyinformation13 19
- Chapter1.Safetyinformation15 21
- ≥18kg≥32kg≥55kg 23
- .Safetyinformation19 25
- Chapter1.Safetyinformation23 29
- Chapter2.Generalinformation 33
- LenovoSupportWebsite 34
- Chapter3.Generalcheckout 35
- Basictroubleshooting 37
- Troubleshootingprocedure 38
- Troubleshooting 38
- Audioproblems 39
- CDproblems 40
- DVDproblems 41
- Intermittentproblems 42
- Harddiskdriveproblems 43
- Monitorproblems 45
- Networkingproblems 46
- AwirelessLANproblem 48
- AwirelessWANproblem 48
- ABluetoothproblem 48
- Optionproblems 49
- Performanceandlockupproblems 49
- Printerproblems 51
- Serialportproblems 51
- Softwareproblems 52
- USBproblems 52
- Diagnostics 53
- LenovoSolutionCenter 53
- Viewingandchangingsettings 55
- Usingpasswords 55
- Passwordconsiderations 56
- Power-OnPassword 56
- AdministratorPassword 56
- HardDiskPassword 56
- Enablingordisablingadevice 57
- Selectingastartupdevice 57
- EnablingErPcompliancemode 58
- ExitingtheSetupUtilityprogram 59
- Chapter6.Symptom-to-FRUindex 61
- POSTerrorcodes 62
- .Symptom-to-FRUindex57 63
- Miscellaneouserrormessages 64
- Undeterminedproblems 65
- Chapter7.Locations 67
- LocatingmajorFRUs 68
- .Locations63 69
- Locatingpartsonthesystemboard 71
- Locatinginternaldrives 72
- .Locations67 73
- Chapter8.ReplacingFRUs 75
- Attention: 76
- InstallingorreplacingaPCIcard 77
- Figure9.RemovingaPCIcard 79
- Replacingthebattery 80
- Replacingtheopticaldrive 83
- Replacingthemicroprocessor 88
- Chapter8.ReplacingFRUs83 89
- Replacingthesystemboard 90
- Chapter8.ReplacingFRUs85 91
- .ReplacingFRUs87 93
- Replacingthesystemfan 95
- Figure28.Removingthesystemfan 96
- Replacingthethermalsensor 97
- ReplacingtheWiFiunits 99
- RemovingtheWiFiadaptercard 100
- RemovingtheWiFicardmodule 101
- InstallingtheWiFiunits 102
- .ReplacingFRUs97 103
- InstallingtherearWiFiantenna 105
- RemovingtherearWiFiantenna 105
- InstallingthefrontWiFiantenna 106
- Chapter8.ReplacingFRUs101 107
- Completingthepartsreplacement 108
- Chapter8.ReplacingFRUs103 109
- ©CopyrightLenovo2013 111
- Powermanagement 114
- AutomaticPower-onfeatures 114
- AppendixA.Notices 115
- Televisionoutputnotice 116
- EuropeanconformanceCEmark 116
- Trademarks 116
Verwandte Produkte und Handbücher für Computers Lenovo M5800 Desktop
(6 Seiten)
© 2020, manymanuals.de. Alle Rechte vorbehalten. | 1.863 s |
Manymanuals.com
Manymanuals.de
Manymanuals.fr
Manymanuals.it
Manymanuals.pl
Manymanuals.cz
Manymanuals.es
Manymanuals-pt.com
Kommentare zu diesen Handbüchern