1. A

    Boot Device Not Found Hard Disk (3F0)

    Hi! I am using a Notebook HP Model 15ay065nr Windows 10. My laptop says: Boot Device Not Found Please install a operating system on your hard disk. Hard Disk (3F0)
  2. F

    No Boot Device Found- 3F0 Hard Disk

    My laptop is only 4 months old. Tried to Return to Factory Settings. It failed and went ton black Screen with the No Boot Device Found Error.. please help me :(