How to recover from Boot failed “EFI PXE O for IPv4″ | Wish your life be more juicy
The Lenovo G50‑80 boot failed. It's showing 'EFI network 0 for ipv4 and IPv6. Boot failed'. Is the hard disk damaged, or can I use it externally? - Quora
linux - EFI pxe network boot error - Super User
电脑开机提示EFI Netword 0 for ipv4 boot failed的原因及解决方法_李梨同学丶的博客-CSDN博客