连安全模式都进不了。
屏幕上出现：
Windows Boot Manager
Windows failed to start. A recent hardware or software change might be the cause. To fix the Problem:
1. Insert your Windows installation disc and restart your computer.
2. Choose your language settings, and click "Next."
3. Click "Repair your computer."
If you do not have this disc, contact your system administrator or computer manufacturer for assistance.
File: \Windows\system32\config\system
Status: 0xc000014c
Info: Windows failed to load because the system registry file is missing, or corrupt.
ENTER=Continue
ESC=Exit
补充一下，我的系统是WIN7家庭普通版，还有使用什么光盘启动呢？
