I have found two references which say that mixing UEFI and legacy boot is impossible with grub2 (cf the end of this post). When I disable legacy boot in the bios, I can boot Fedora but not Windows. Since last, I have done this experiment: When I disable UEFI boot in the bios, I can boot Windows but not Fedora.
GRUB2 WINDOWS 10 UEFI BIOS INSTALL
Or do I have to make yet another fresh install of Fedora 30, wiping myįedora partitions, and making some clever choice (which) other than Is there a way to persuade grub2 to boot Windows in my situation? When I boot from HD, I have no idea how grub2 is invoked.īut I have asked the bios to try legacy mode first and then EFI. When I boot from SDD, Windows clearly boots from the MBR of the SDD. Of “EFI” mode and refuses to chainload to a legacy disk. If I read the invalid EFI file path error correctly, grub2 is in some sort
My USB stick and replace /boot/efi/EFI/fedora/grub.cfg by a backup). etc/grub.d/40_custom I often end in a state where I have to reboot from I try to boot Windows from the grub command prompt (if I tamper with /grub-core/loader/efi/chainloader.c:156:invalid EFI file path.Īs said, I cannot persuade grub2 to boot Windows. (hd2) (lvm/fedora_localhost-live-root) (lvm/fedora_localhost-live-home)Įfi/ System/ mach_kernel/ System Volume Information/ $recyclebin/Įrror. '$RECYCLE.BIN' EFI mach_kernel System 'System Volume Information' What Fedora has to say > cat /etc/fedora-release BACKGROUND: Mapping: /dev/sda = grub hd0 = 1TB HD So I downloaded a fresh Fedora 30/spin xfce installer to a USB stick, asked the installer to wipe my Fedora partitions, and left partitioning to the installer.
Then my Fedora became unstable and tainted, so I decided to make a fresh install of Fedora, leaving Windows as it was. I installed Windows and then Fedora five years ago using msdos partitions on both disks. If I ask the bios to boot from HD then first grub2 and then Fedora starts.īut I cannot persuade grub2 to boot Windows. If I ask the bios to boot from SDD then Windows starts. I have a system with a 1TB harddisk (HD) and a 500GB solid state disk (SSD).
GRUB2 WINDOWS 10 UEFI BIOS HOW TO
How to make EFI grub2 chainload to legacy WindowsĮfter reinstalling Fedora, I cannot persuade grub2 to boot Windows.
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