Default Boot Device Missing or Boot Failed error message. - Microsoft Community
Default Boot Device Missing or Boot Failed" - What Now? - Ask Leo!
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
Default Boot Device Missing or Boot Failed - Microsoft Community
G5 Laptop: "default boot device missing or boot failed insert recovery media and hit any key" : r/gigabyte