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AdministratorPassword
SettinganAdministratorPassworddetersunauthorizedpersonsfromchangingcongurationsettings.You
mightwanttosetanAdministratorPasswordifyouareresponsibleformaintainingthesettingsofseveral
computers.
AfteryousetanAdministratorPassword,apasswordpromptisdisplayedeverytimeyouaccesstheLenovo
BIOSSetupUtilityprogram.
IfboththeAdministratorandPower-OnPasswordareset,youcantypeeitherpassword.However,youmust
useyourAdministratorPasswordtochangeanycongurationsettings.
Setting,changing,ordeletinganAdministratorPassword
TosetanAdministratorPassword,dothefollowing:
Note:Apasswordcanbeanycombinationoflettersandnumbersupto16characters(a-zand0-9).For
moreinformation,see“Passwordconsiderations”onpage13.
1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on
page13).
2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.TypethepasswordthenpresstheEnterkey.
4.Re-typethepasswordtoconrm,thenpresstheEnterkey.Ifyoutypedthepasswordcorrectly,
thepasswordwillbeinstalled.
TochangeanAdministratorPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on
page13).
2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordthenpresstheEnterkey.
4.Typethenewpassword,thenpresstheEnterkey.Re-typethenewpasswordtoconrmit.Ifyoutyped
thenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticewillbedisplayed
conrmingthatyourchangeshavebeensaved.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSaveChangesandExitfromthemenu.
TodeleteapreviouslysetAdministratorPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see“StartingtheLenovoBIOSSetupUtilityprogram”on
page13).
2.FromtheSecuritymenu,selectSetAdministratorPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.
4.Leaveeachnewpasswordlineitemblank,thenpresstheEnterkey.ASetupNoticewillbedisplayed
conrmingthatyourchangeshavebeensaved.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSaveChangesandExitfromthemenu.
Power-OnPassword
14IdeaCentreA520All-In-OnePCHardwareMaintenanceManual
- IdeaCentreA520All-In-OnePC 1
- HardwareMaintenanceManual 1
- FirstEdition(August2012)25th 4
- ©CopyrightLenovo2012 4
- GS-35F-05925 4
- Contents 5
- Chapter1.Aboutthismanual 7
- Chapter2.Safetyinformation 9
- Safetyinspectionguide 11
- Groundingrequirements 12
- Safetynotices 12
- Chapter2.Safetyinformation7 13
- Chapter3.Generalinformation 15
- Chapter4.GeneralCheckout 17
- Chapter5.UsingtheSetupUtility 19
- Enablingordisablingadevice 21
- Selectingastartupdevice 22
- Chapter6.Symptom-to-FRUIndex 25
- POSTerrorcodes 26
- Undeterminedproblems 26
- 4 8765 9 27
- 10 11 1312 14 15 27
- Leftandrightview 28
- Rearview 29
- Hardwarecomponents 30
- Chapter8.Replacinghardware 33
- Replacingthekeyboardandmouse 34
- Replacingthepoweradapter 34
- .Replacinghardware29 35
- Removingthebasecover 36
- Replacingtheharddiskdrive 37
- Replacingamemorymodule 38
- Replacingthesystemfan 39
- Replacingtheheat-sink 40
- ReplacingtheCPU 41
- Replacingtheopticaldrive 43
- Replacingthesolidstatedisk 45
- Replacingthemotherboard 46
- .Replacinghardware41 47
- Replacingthespeakersystem 49
- ReplacingtheTVtunercard 50
- Chapter8.Replacinghardware45 51
- Replacingthebattery 52
- Chapter8.Replacinghardware47 53
- Removingtherearcover 55
- Replacingthescalarboard 56
- Replacingthetouchcontrolboard 57
- Replacingtheconverterboard 58
- Replacingthepowerswitchboard 59
- ReplacingtheBluetoothmodule 60
- ReplacingtheWi-Ficard 61
- Replacingthecamera 62
- ReplacingtheLEDpanel 63
- FRUlists 65
- .Replacinghardware61 67
- .Replacinghardware63 69
- .Replacinghardware65 71
- Chapter9.Generalinformation 73
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