LENOVO Default Boot Device Missing FIX no Boot Mode options in BIOS - YouTube
Default Boot Device Missing or Boot Failed, insert recovery media and hit any key, Lenovo Ideapad - YouTube
Lenovo Y540, keep getting this error every 2 or 3 weeks, Default Boot Device Missing. After restarting, gives a BSOD "WHEA Uncorrectable Error" then after restarting again, everything is fine. Both SSD