修复WindowsXP启动系统：

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1、修复WindowsXP启动系统:ThereisnoerrorinthehardwareandnosystemHint:〃NTLDRismissing,PressCTRL+ALT+DELtorestart^TheNTLDRfileisthebootfileforwinnt/win200/winxp,whichwillprompt"NTLDRismissing.・・"whenthefileismissing.Itisrequiredtorestartonanykeyandnotenterthesystemproperly.Soitshou

2、ldbebackedupwhenthesystemisnorma1.WhatdoestheNTLDRfiledo?HowdowefixthefailureoftheNTLDRfiletype?TheNTLDRfileisahidden,read-onlysystemfilethatisplacedintherootdirectoryofthesystemdisktoloadtheoperatingsystem.Thegeneralsystem，sbootprocessisthis:ThepowersupplyisrunningThem

3、ainbootrecordisloadedinmemoryandtheprogramisexecutedThebootsectoroftheactivepartitionisloadedintomemoryNTLDRisloadedandinitislizedfromthebootsectorChangetheprocessor，srealmodeto32-bitsmoothmemorymodeNTLDRstartsrunningtheappropriatesmallfilesystemdriver・Thesmallfilesyste

4、mdriverisbuiltinsidetheNTLDR,whichreadsFATorNTFS.7,NTLDRreadboot.InifileNTLDRloadstheselectedoperatingsystem*ifNT/XPisselected,NTLDRrunsNtdetect・comforotheroperatingsystems,NTLDRloadsandrunsBootsect・DOSandthenpassescontroltoit.TheWindowsNTprocessisover・9.Ntdetect.comsea

5、rchesforcomputerhardwareandsendsthelisttoNTLDRtowritetheinformationintotheHKEY_LOCAL_MACHINEHARDWARE・ThenNTLDRloadsntoskrn1.exe,HalDLL,andsysteminformation.11.Ntldrsearchsysteminformationcollection,andloadingdevicedriverconfigurationsothatthedevicetostartworkingatstartu

6、p12.ThecontroltotheNtldrNtoskrn1.Exe,thenstarttheprogramended,andstartloadingstageFollowthesestepstofix:PuttheWindowsxpinstallationdiscintheopticaldriveGototheBIOSandsetittoBootFromcd-romWhenyoudisplay"PressanykeytobootfromtheCD〃，PressanykeyWhenyouentertheWindowsXPinsta

7、llationmenu,pressthebuttontoenterthefailoverstage・Pressthe"1〃buttonandenteryourWindowsinstallationEnteryourAdministratoraccountandpasswordCopytwofilestothesystem'spartition,assumingyouropticaldriveisF・Followtheseexamples:CopyF:i386NTLDRc:Copyfw:It'sOKtorestartitwheny

8、ou，redone・Note:thearticlecollectionoriginatesfromtheInternetThesolutiontoNTLDRismissing,andthesystemcannotbest