忘记windows xp登入密码的种解决办法 solutions to forget Windows XP login password.docx
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忘记windows xp登入密码的种解决办法 solutions to forget Windows XP login password.docx
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忘记windowsxp登入密码的种解决办法solutionstoforgetWindowsXPloginpassword
忘记windowsxp登入密码的9种解决办法(9solutionstoforgetWindowsXPloginpassword)
9solutionstoforgetWindowsXPloginpassword
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Firstpropose:
Ifyouareaveryeasilyforgotten,sodon'tforgettocreateastartupdisktorestoreWindowsXPaccountpasswordinthepasswordthefirsttimeatthesametime,itcanletyouavoidharddisktrouble.
Fromthe"controlpanel"foundinthe"useraccount",selecttheirownaccountaccesscontrolinterfaceasshowninthefigure,wecanseea"stopaforgottenpassword"ontheleftsideofthetasklist,clickthe"forgotpasswordcanopenthewizard,thewizardwillbepromptedtoinsertaformattedablankdisk,intheprocessofoperationwillletyouentertheaccountpassword,canquicklycreateapasswordresetdisk.
Later,whenweforgetwhentheaccountpassword,withouttheuseof"Welcomescreen"logincaselogintotheWindowsXP,pressCtrl+Alt+Delkeycombination,"Windows"window,clicktheoptionsinthe"changepassword"button,thewindowappearstochangethepassword.Inthiswindow,backupthecurrentuser'spassword,clickthe"backup"buttoninthelowerleftcorner,activatethe"forgotpasswordWizard",andcreateapasswordresetdiskaccordingtothehint.
IfthewrongpasswordhasbeenenteredintheWindowsXPloginwindowwillpop-up"loginfailed"window,ifyoudowhatisnotuptoyourownpassword,youcanclickthe"reset"buttontostartthepasswordresetwizard,byjustcreatingapasswordresetdisk,youcanusethispasswordchangethepasswordresetdiskandbootthesystem.ResetyourpasswordandlogintoWindowsXP.
"Createapasswordresetdisk",containingacertainrisk,becauseanyonecanusethisapasswordresetdisktologinWindowsXP,canentertheuseraccountinthenameoftheuser,theusercanoperatealltherealoperation,itmustbe"passwordresetdisk"keepinplace,topreventlossorleakage.
Method1-usethe"Administrator"(thismethodappliestotheadministratorusernameandnottheadministrator)
WeknowthattheinstallationofWindowsXPprocess,thefirstisthe"Administrator"defaultlogin,thencreateanewaccounttoenterWindowsXPusingthisnewaccountlogin,butalsointheWindowsXPloginscreenwillonlyappearintheuseraccountcreation,nota"Administrator",butinfactthe"Administrator"accountstillexists,andthepasswordisempty.
Whenweunderstandthis,ifyouforgetthepassword,theloginscreen,holddowntheCtrl+Altkey,andthenpresstheDelbuttontwotimes,canappeartheclassicloginscreen,thentypetheusername"Administrator",enterthepasswordisempty,andthenmodifythepassword"zhangbp".
Method2-deletetheSAMfile(notethatthismethodappliesonlytoWIN2000)
WindowsNT/2000/XPinthesecuritymanagementoftheuseraccountusingasecurityaccountmanager(SecurityAccount,Manager,SAM)ofthemanagementmechanism,securityaccountmanageronaccountiscarriedoutthroughsafetysigns,safetysignsintheaccountcreationisalsocreated,oncetheaccountisdeleted,securityidentificationalsodeleted.Securityidentifiersareunique,evenifthesameusernameiscompletelydifferentfromeachotherwhentheyarecreated.Therefore,onceanaccountisrebuiltbytheusername,theaccountwillalsobegivendifferentsecuritylabelsandwillnotretaintheoriginalpermissions.Thespecificfeatureofthesecurityaccountmanageristhe%SystemRoot%system32configsamfile.TheSAMfileistheuseraccountdatabaseofWindowsNT/2000/XP,andalltheuser'sloginnamesandpasswordsarestoredinthisfile.
Knowingthis,oursolutionhasalsobeencreated:
deletingtheSAMfile,startingthesystem,anditwillrebuildaclean,cleanSAMwithnopasswordinside.
However,suchasimpleapproachisnotapplicableinXP,andMicrosoftmaybelimitedtoBUG......SonowintheXPsystem,evenifyoudeletetheSAM,orcannotdeletethepassword,butwillcausethesystemtostartinitializationerror,soastoenterthedeadloop,butcannotenterthesystem!
!
Method3-findthepasswordfromtheSAMfile(premise)......YoucanusetheDOSbasiccommand
Insertbootdiskbeforethesystemstarts,
Entry:
C:
WINNTSystem3ConfigcopiestheSAMfiletothefloppydiskusingtheCOPYcommand.Getanothermachinetoread.HerethetoolisLC4,runLC4,andopenanewtask,andthenclickIMPORTtoImportfromSAMfile"hastobecracked,opentheSAMfile,thenLC4willautomaticallyanalyzethefile,anddisplaysthefilename;clickthe"Session-BeginAudit",youcanstartcrackpassword.Ifthepasswordisnotverycomplicated,itwillgetresultsinaveryshorttime.
However,ifthepasswordiscomplex,itwilltakealongtime,andthenweneedtousethefollowingmethod.
Method4-overwritewithotherSAMfiles(providedyougettheSAMfileofanothercomputeranditspassword)......Personallythinkitisthemostfeasibleway
1-asmentionedabove,theSAMfileholdstheloginnameandpassword,sowesimplyreplacetheSAMfiletoreplacetheloginnameandpassword.However,the"origin"harddiskpartitionformatofthisreplacementSAMfileisthesameasforyoursystem(seeFAT32orNTFS,andyoucanconfirmityourself).The"origin"ofthebestsystemthereisnopassword,securitysettingsdidnotmove(infact,mostofthepersonalcomputerarelikethis,ofcourse,moreinsurance)wayistoputallthefilesoftheXP[WinNTSystem32Config][C:
WinNTSystem32Config]tocoverthedirectoryinyourXPinstallation(assumingthedefaultpartitioninC:
),
2,ifnottohelpotherpeople(Imean"if"),youcanintheotherpartitionintheinstallationofaXPsystem,harddiskpartitionformattothesame,andpleasepayattentiontoyouroriginalXPandmustnotbeinstalledonthesamepartition!
Beforestarting,mustadvancethebackupbootMBR,therearemanymethodstobackupMBR,usingsoftwaretools,suchasantivirussoftware,suchasKV3000.InstalledafterlandingwithAdministrator,andnowyouhavetheoriginalXPabsolutewriteauthority,youcantaketheoriginalSAMdown,andgettheoriginalpasswordwith10PHTCRACK.CanalsoputallthefilesnewlyinstalledXPWinNTSystem32ConfigC:
WinNTSystemtocoverthe32Configdirectory(theoriginalXPerectioninstallationhere),andthenuseKV3000torestorethepreviousandmasterbootMBR,youcanusetheAdministratoridentityonXPnow.
[2,IthinkI'mintrouble,orNo.1:
it'sbettertoasksomeoneforhelp......]
[inaddition,saidC:
windowsepairoftheSAMdirectoryistheoriginalversion,youcanuseittocovertheSAMsystem32,soyoucannowdeletethepassword,andreturningtothestartingwheninstallingthesystempassword.Ifthepasswordisempty,isn'tit?
......]
Method5-useWin2000toinstallCDbootrepairsystem(premise)......Obviously,youhavetohaveanWin2000installationCD
UsetheWin2000installationdisctostartthecomputerintheWndows2000installation,repairselectioninterfaceWindows2000(pressR);then,choosetousefaultrepairconsole(pressC),thesystemwillscanthecurrentversionoftheWindow2000/XP.Thereisonlyoneoperatingsystem,soonlyoneloginoption(l:
C:
\Windows)islisted.Fromthekeyboard,pressL,andthenenter,thistime,WindowXPdoesnotrequiretheinputoftheadministratorpassword,butdirectlyloggedintotherecoveryconsolemode(ifyouareusingaWindowsXPinstallationCD-ROMboot,theadministratorpasswordinputisrequired.Hereitreferstotheadministratorisasystemofthebuilt-inAdministraoraccount)familiarwithWindowsfriendsallknow,therecoveryconsolewhichcanbeanysystemleveloperations,suchascopy,move,deletefiles,startandstopservice,evenformatted,repartitionofdestructiveoperation.
Testusingcompactdisk:
integratedSP3Windows2000ProessionalsimplifiedChineseversion.
Thesystempassed:
Windows,XP,Proessional,SPI,Windows,XP(FAT32andNTFSfilesystemsarethesame)
[notethat,forvariousreasons,someoftheWindows2000installedCDsonthemarketarenotabletodisplaytheconsoleloginoptions,sotheycan'texploitthisvulnerability.Atthesametime,duetothelimitationsofthefailureconsolemodelitself,thevulnerabilitycannotbeexploitedfromthenetwork,inotherwords,thisvulnerabilityislimitedtostand-alone.]
Method6-usetheNETcommand(twoprerequisites):
theWINDOWSXPpartitionmustbeloadedwithFAT32filesmallsystem,andthereisnoChinesecharacterintheusername.)
Weknowthatthe"netuser"commandisavailableinWindowsXP,whichcanaddandmodifyuseraccountinformation:
Netuser[UserName[Password[options]][/domain]*]
Netuser[UserName{Password/add[options][/domain]*}
Net,user,[UserName,[/delete],[/domain]]
ThespecificmeaningofeachparameterhasbeenexplainedindetailintheWindowsXPhelp.Here,Idon'telaborateonit.Well,nowlet'stakethelocaluser'zhangbq'passwordasanexampletoexplainhowtoforgettologin:
1.Restartyourcomputer.PresstheF8buttonimmediatelyafterthebootscreenappears.Selectsafemodewithcommandline".
2,attheendoftherun,thesystemliststhesystemsuperuser"Administrator"andthelocaluser"zhangbq"menu,clickthemouse"Administrator",enterthecommandlinemode.
3,typethecommand:
"netuserzhangbq123456/add",forcingthe"zhangbq"user'spasswordtobechangedto"123456"".Tothis,addanewuser(suchasusernameABCDEF,password123456)words,pleaseenter"netuserABCDEF123456/add",adding"netlocalgroupadministratorsABCDEFbythe/addcommanduserswillbeupgradedtothemanagementsyst
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