今天早上刚到班上，一个同事，就叫我，说自己的电脑启动不了！
看一下显示器上显示的：怎么进入FreeDos了？
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loading freedos 123 - Initdisk
WARNING:using suspect partition Pri:1 FS 0c:with calculated
values 1912-254-63 instead of 1022-254-63
FreeDOS kernel version 1.1.26a (Build 2026a) [Jun 27 2006
09:45:29]
Kernel compatibility 7.10 - TURBOC - FAT32 support
(C) Copyright 1995-2001 Pasquale J.Villani and The FreeDOS
Project.All Rights Reserved.This is free software and comes
with ABSOLUTELY NO WARRANTY;you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published bu the Free Software Foundation;either version
2,or(at your option)any later version.
FreeCom version 0.84-pre XMS_Swap [Nov 15 2005 15:30:16]
Current date is Tue 02-16-2010
Enter new date(mm-dd-[cc]yy):
Current time is 8:05:32.97pm
Enter new time:
---------------------------------------------------
WARNING:using suspect partition Pri:1 FS 0c:with calculated
values 1912-254-63 instead of 1022-254-63
FreeDOS kernel version 1.1.26a (Build 2026a) [Jun 27 2006
09:45:29]
Kernel compatibility 7.10 - TURBOC - FAT32 support
(C) Copyright 1995-2001 Pasquale J.Villani and The FreeDOS
Project.All Rights Reserved.This is free software and comes
with ABSOLUTELY NO WARRANTY;you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published bu the Free Software Foundation;either version
2,or(at your option)any later version.
FreeCom version 0.84-pre XMS_Swap [Nov 15 2005 15:30:16]
Current date is Tue 02-16-2010
Enter new date(mm-dd-[cc]yy):
Current time is 8:05:32.97pm
Enter new time:
---------------------------------------------------
他安装的是WIN7系统（非正版），我第一感觉就是UPDATE更新的原因，不要进系统了！
他说昨天没有更新过！
CTRL+ALT+DEL重启，按F8，试试。。。
不到按F8的时候，又显示以上的文字。。。晕死，启动系统都启动不出来了！
破坏系统启动文件了？？？
上网上找找吧。。。
一个有兴趣的正确答案出来了：
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