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WhenaPower-OnPasswordisset,youcannotstarttheLenovoBIOSSetupUtilityprogramuntilavalid
passwordistypedfromthekeyboard.
Setting,changing,ordeletingaPower-OnPassword
Note:Apasswordcanbeanycombinationoflettersandnumbersupto16characters(a-zand0-9).
TosetaPower-OnPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see”StartingtheLenovoBIOSSetupUtilityprogram”on
page13).
2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.Typethepassword,thenpresstheEnterkey.
4.Re-typethepasswordtoconrmit.Ifyoutypedthepasswordcorrectly,thepasswordwillbeinstalled.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSaveChangesandExitfromthemenu.
TochangeaPower-OnPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see”StartingtheLenovoBIOSSetupUtilityprogram”on
page13).
2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordthenpresstheEnterkey.
4.Typethenewpassword,thenpresstheEnterkey.Re-typethenewpasswordtoconrmit.Ifyoutyped
thenewpasswordcorrectly,thenewpasswordwillbeinstalled.ASetupNoticewillbedisplayed
conrmingthatyourchangeshavebeensaved.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSaveChangesandExitfromthemenu.
TodeleteapreviouslysetPower-OnPassword,dothefollowing:
1.StarttheLenovoBIOSSetupUtilityprogram(see”StartingtheLenovoBIOSSetupUtilityprogram”on
page13).
2.FromtheSecuritymenu,selectSetPower-OnPasswordandpresstheEnterkey.
3.Thepassworddialogboxwillbedisplayed.TypethecurrentpasswordandpresstheEnterkey.
4.Leaveeachnewpasswordlineitemblank,thenpressEnterkey.ASetupNoticewillbedisplayed
conrmingthatyourchangeshavebeensaved.
5.ReturntotheLenovoBIOSSetupUtilityprogrammenuandselecttheExitoption.
6.SelectSaveChangesandExitfromthemenu.
Enablingordisablingadevice
TheDevicesoptionsisusedtoenableordisableuseraccesstothefollowing:
USBFunctionsSelectwhethertoenableordisableUSB(UniversalSerial
Bus)functions.Ifthefunctionsaredisabled,noUSB
devicescanbeused.
SATAMode
WhenthisfeatureissettoDisabled,alldevices
connectedtotheSATAconnectors(e.g.harddiskdrives
ortheopticaldiskdrive)aredisabledandcannotbe
accessed.
Chapter5.UsingtheSetupUtility15
- 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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