Fixed – Default Boot Device Missing or Boot Failed on Lenovo/Acer
Lenovo G40,G405, Efi Network 0 for IPv4 Boot Failed, Open BIOS, windows don't open on laptop - YouTube
Fix INACCESSIBLE_BOOT_DEVICE BSOD Error on Lenovo/HP/ASUS Easily
Effectively Solved: Default Boot Device Missing or Boot Failed
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
EFI Network 0 for IPv4/IPv6 Boot Failed On Lenovo[SOLVED]
Y510P-unable-to-boot-after-One-Key-Recovery - English Community - LENOVO COMMUNITY
Error Code 0xc00000e9: What is it? How to fix it? | Lenovo Data Recovery
Default-Boot-Device-Missing-or-Boot-Failed - English Community - LENOVO COMMUNITY