검은화면에

Windows Boot Manager
Windows failed to start. A recent hardware or soft chage might be the cause. To fix problem:
1. Insert your windows installation disc and restart your computer.
2. Choose your language settings, and then click "Next."
3. Click "Repair your computer."
If you do not have this disc, contact your system administrator or computer manufacturer for assistence.
File : /boot/BCD
Status : 0xc000000f
Info : the boot configuration data for your PC is missing or contains errors

이렇게 뜨구요.
윈도우usb넣어서 부팅해도 이화면만뜨네요.
어떻게 해야하나요?ㅠㅠ