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WINDOWS启动和关机流程大揭秘

更新时间:2026-08-23 04:56:12 | 编辑:颜若惜 | 信息来源:互联网

  使用老机器和笔记本电脑的朋友,恐怕最难以忍受的是慢得让人发疯的系统启动过程吧。即使试遍了各种优化秘籍,使用了所有优化软件,但Windows XP还是慢悠悠的开机,慢腾腾的关机,让人沮丧不已。今天就给大家讲解下WINDOWS启动和关机内幕,学了本教程后,看看能否让你的开关机有所加速.

  WINDOWS的启动流程

  第一:NTLDR的作用过程

  1.首先机器POST----BIOS----MBR----BOOT SECTOR----os的引导程序 WINDOWS的引导程序是NTLDR注意这个文件其实是个可执行文件,这里机器主要做的工作是:CPU从16的实模式到32的保护模式,启用CPU的页机制,如果磁盘是SCSI,则加载Ntbootdd.sys来访问磁盘,否则用INT13来访问。这里假如机器没找到Ntldr这个文件,在FAT文件系统下,机器显示"BOOT: Couldn't find NTLDRP",而在NTFS下显示"NTLDR is missing"(这个没有具体实验过,是书上这么说的)

  2.NTLDR装载后就先CLS屏幕,首先检查根目录下有没有合法的Hiberfil.sys,这个文件的作用是机器休眠的时候把内存中的所有信息保存到hiberfil.sys这个文件中,这个文件的大小始终和系统的物理内存大小一致。如果希望回收这个空间,请打开“控制面板”下的“电源管理”,选择“休眠”选项卡,去掉“启用休眠”这一复选项的选中标记,系统会自动消除hiberfil.sys文件。如果有就快速启动到上次机器休眠的状态。

  3.接着处理Boot.ini,如果有多个的启动项,那就显示启动菜单(如果只有一个默认的项,那就是我们立即就可以看到WINDOWS的启动状态条了) 处理BOOT.ini WINDOWS自带的一个工具Bootcfg.exe,可以用这个工具修改,当然也可以自己用记事本打开boot.ini来修改,boot.ini的一些参数会保存在注册表HKLM\System\CurrentControlSet\Control\SystemStartOptions下。关于 boot.ini里面的参数大家可以去查阅资料。

  4.下面就是NTLDR调用执行Ntdetect.com,作用是检测的一些基本设备和配置信息 信息包括:CMOS里的时间日期信息,总线类型,磁盘的大小,类型,数目,输入设备的信息,并口的信息,显卡的类型,这些信息收集后保存在HKLM\ HARDWARE\DESCRIPTION下面。接着就2000版本下显示“Starting Windows”进程条,而在xp,2003下是显示WINDOWS的LOGO

  5.在显示进程条的过程中,机器实际上是在加载系统相应的内核和HAL文件,一般是Ntoskrnl.exe 和Hal.dll这2个文件,如果这个过程中发现找不到文件,则会显示"Windows could not start because the following file was missing or corrupt"这个信息。然后读取注册表SYSTEM HIVE(Windows\System32\Config\System),来决定需要加载的设备驱动,这些设备驱动都在 SERVICE_BOOT_START (0)里面

  6.然后加载Ntoskrnl.exe,这样NTLDR的使命就结束了。

  第二 Ntoskrnl.exe的作用过程这里主要分2个阶段来初始化内核,最后创建the Session Manager subsystem (Smss)进程。

  第三 Smss的作用过程

  1.创建LPC port对象,为MSDOS定义符号连接,例如COM1、LPT1,假如安装有Terminal Services,则创建\Sessions目录

  2.运行注册表里HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\BootExecute定义的程序,一般默认的是运行Autochk

  3.执行HKLM\SYSTEM\CurrentControlSet\Control\Session Manager\PendingFileRenameOperations表键中的延迟,删除,改名操作

  4.加载HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\KnownDLLs 初始化paging files和注册表

  5.创建系统环境变量,这些定义在HKLM\System\CurrentControlSet\Session Manager\Environment

  6.加载和初始化WIN32子系统的内核模块Win32k.sys

  7. 创建WIN32子系统服务器进程,包括Csrss, 创建Winlogon进程。 这里的2个进程其中一个出现异常,那系统都会中断


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2.0837
基本信息
SQL
$_GET
$_POST
$_COOKIE
包含文件
自动加载
  1. 模型: /www/wwwroot/www.pjwan.com/lecms/model/
  2. 视图: /www/wwwroot/www.pjwan.com/view/ww7/xt_show.htm
  3. 控制器: /www/wwwroot/www.pjwan.com/lecms/control/show_control.class.php
  4. 日志目录: /www/wwwroot/www.pjwan.com/log/
  5. 当前页面: /www/wwwroot/www.pjwan.com/index.php
  6. 当前时间: 2026-08-23 04:56:10
  7. 当前网协: 216.73.216.20
  8. 请求路径: /anzhuang/59391.html
  9. 运行时间: 2.0837
  10. 内存开销: 1.33 MB
  1. #0 [time:0.0002s] SELECT * FROM le_runtime WHERE k='cfg' LIMIT 1
  2. #1 [time:0.0002s] SELECT * FROM le_runtime WHERE k='website_group_ali213_pjwan_com' LIMIT 1
  3. #2 [time:0.0002s] SELECT id FROM le_website_group WHERE webdomain='ali213.pjwan.com' AND is_active=1 ORDER BY id ASC LIMIT 0,1
  4. #3 [time:0.0003s] SELECT id FROM le_website_group WHERE webdomain='ali213.pjwan.com' AND is_active=1 ORDER BY id ASC LIMIT 0,1
  5. #4 [time:0.0003s] SELECT id FROM le_website_group WHERE webdomain='ali213.pjwan.com' AND is_active=1 ORDER BY id ASC LIMIT 0,1
  6. #5 [time:0.0003s] SELECT * FROM le_runtime WHERE k='cate_68' LIMIT 1
  7. #6 [time:0.0003s] SELECT id FROM le_website_group WHERE webdomain='ali213.pjwan.com' AND is_active=1 ORDER BY id ASC LIMIT 0,1
  8. #7 [time:0.0003s] SELECT * FROM le_cms_article WHERE id=59391 LIMIT 1
  9. #8 [time:0.0002s] SELECT id FROM le_website_group WHERE webdomain='ali213.pjwan.com' AND is_active=1 ORDER BY id ASC LIMIT 0,1
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  28. #27 [time:0.0002s] SELECT * FROM le_runtime WHERE k='cate_85' LIMIT 1
  29. #28 [time:0.0002s] SELECT id FROM le_website_group WHERE webdomain='ali213.pjwan.com' AND is_active=1 ORDER BY id ASC LIMIT 0,1
  30. #29 [time:0.0004s] SELECT id FROM le_cms_win WHERE (cid=86 OR cid=87 OR cid=88 OR cid=89 OR cid=90 OR cid=91 OR cid=92 OR cid=93 OR cid=94 OR cid=95 OR cid=96 OR cid=97 OR cid=98 OR cid=99 OR cid=100) ORDER BY id DESC LIMIT 0,10
  31. #30 [time:0.0005s] SELECT * FROM le_cms_win WHERE id=1027 OR id=1026 OR id=1025 OR id=1024 OR id=1023 OR id=1022 OR id=1021 OR id=1020 OR id=1019 OR id=1018
  32. #31 [time:0.0002s] SELECT * FROM le_runtime WHERE k='cate_64' LIMIT 1
  33. #32 [time:0.0002s] SELECT id FROM le_website_group WHERE webdomain='ali213.pjwan.com' AND is_active=1 ORDER BY id ASC LIMIT 0,1
  34. #33 [time:0.0004s] SELECT id FROM le_cms_article WHERE (cid=65 OR cid=66 OR cid=67 OR cid=68 OR cid=125 OR cid=126 OR cid=127 OR cid=128) ORDER BY id DESC LIMIT 0,10
  35. #34 [time:0.0005s] SELECT * FROM le_cms_article WHERE id=103563 OR id=103562 OR id=103561 OR id=103560 OR id=103559 OR id=103558 OR id=103557 OR id=103556 OR id=103555 OR id=103554
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