sos πρόβλημα με PC

SOS παιδιά έχω πρόβλημα με το PC Ξαφνικά μου έκανε επανεκκίνηση! δεν μπαίνει καν στα windows!!! μου βγάζει ένα μήνυμα που λέει:
The system found unauthorized changes on the firmware, operatinh system or UEFI drivers.
Press [N] to run next boot device, or enter directly to BIOS setup if there are no other boot devices intalled.
Go to BIOS Setup >Advaned>Boot and change the current boot device into other secured boot devices.
The system found unauthorized changes on the firmware, operatinh system or UEFI drivers.
Press [N] to run next boot device, or enter directly to BIOS setup if there are no other boot devices intalled.
Go to BIOS Setup >Advaned>Boot and change the current boot device into other secured boot devices.