EFI Network 0 for IPv4_boot failed

Dear Viewers, I am JEEVA ARAVINTH. Welcome to Our YouTube Channel “TECH TROUBLESHOOT”. This is my channel about All Kindly of Laptop, Smartphones and Electronic Gadgets Troubleshooting that you can use to grow your Troubleshooting Knowledge. “Self-Repair -Free Discussion | Troubleshoot Your Gadgets” EFI Network 0 for IPv4 (xx- 89-84-F7-xx-xx) boot failed, Checking media [Fail] and unable to boot. does EFI Network 0 for IPv6 and checking media [fail] mean? 1.change boot order 2.change UEFI to legacy Default Boot Device Missing or Boot Failed. Insert recovery media and hit any key Then select Boot Manager to choose a new Boot Device or to Boot Recovery Media. When I do this(disc already in from the last attempt), the only options are: EFI Network 0 for IPv6