換主機板(同型號)與CPU後win7啟動失敗 - Windows

嗶一聲開機後畫面顯示
Windows failed to start.A recent hardware or software change might be the caus
e.To fix the problem:

1.Insert your Windows installstion disk and restart your computer.

2.Choose your language setting,and then click "next"

3.click "Repair your computer."


status是0xc0000001

請問一定要當初那片原版光碟嗎？
若真的找不到了可以怎麼做？
若覺得不適合再這裡發問請告知刪文
謝謝各位大大

--