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怎样快速恢复XP系统管理员密码三大技巧

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　　如果你安装了两个操作系统，则可以使用另外一个能访问NTFS的操作系统来启动电脑。如果没有安装两个操作系统，则可以使用其他工具来访问NTFS，然后删除C:Windowssystem32config目录下的SAM文件，重新启动操作系统，这时，管理员Administrator账号就没有密码了。当然，取下硬盘换到其他机器上来删除SAM文件也是一个好办法。


　　技巧1:删除SAM文件来恢复密码

　　大家知道，Windows XP的密码存放在系统所在的WindowsSystem32Config下的SAM文件中，SAM文件即账号密码数据库文件。当我们登录系统的时候，系统会与Config中的SAM自动校对，当发现密码和用户名与SAM文件中的加密数据符合时，你才能顺利登录;如果错误则无法登录。既然如此，我们则可以通过删除SAM文件来恢复密码。


　　安全账号管理器的具体表现就是%SystemRoot%system32configsam文件。SAM文件是Windows NT/2000/XP的用户账户数据库，所有用户的登录名及口令等相关信息部会保存在这个文件中。

　　技巧2:使用工具软件来恢复密码

　　使用Off1ine NT Password&Registry Editor。用该工具软件制作一张Linux启动盘，这个启动盘可以访问NTFS文件系统，因此可以很好地支持Windows 2000/XP。使用该软盘中的一个运行在Linux的工具Ntpasswd就可以解决问题，并且可以读取注册表并重写账号密码。使用的方法很简单，只需根据其启动后的提示一步一步做就可以了。在此，建议你使用快速模式，这样会列出用户供你选择修改哪个用户的密码。默认选择Admin组的用户，自动找到把Administrator的名字换掉的用户，十分方便。

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  10. 内存开销: 1.08 MB
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