| Hi all, I am having an issue getting F21 to dual boot with Windows 7 on an EFI system. The first thing I did was to install Windows 7. This worked fine and had no issues. Then I installed F21 from a LiveUSB. After some hickups, which have now been resolved, F21 works fine. The problem I have now is that grub can not find my Windows 7 installation. I noticed that there were no boot files for Microsoft in /boot/efi/EFI. So I reinstalled Windows to restore the boot files and now I am back in the Live USB trying to restore grub. So I opened up the LVM partition that contains root, /home and swap. I mounted everything then chroot. I also notice that in /boot/efi/EFI there are two folders 'fedora' and 'Microsoft'. I then followed the usual default of grub2-install /dev/sda grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg However, Windows 7 is still not detected. I found this post which says to put a manual boot entry into /etc/grub.d/40_custom, so I added this to that file menuentry 'Windows 7' {
insmod part_gpt
insmod chain
insmod ntfs
insmod fat
set root='hd0, gpt3'
chainloader /EFI/Microsoft/Boot/bootmgfw.efi
boot
}However now when I reboot I get dropped into the grub console. I know (pretty sure) it is not the manual Windows entry as I can manually type the above commands at the grub console and boot into Windows. Also, if I comment that manual entry out I still wind up back in the grub console. What is happening here? How can I generate some more diagnostic information relating to why grub is failing? Just to reiterate My HDD has a GPT partition Root, home, and swap partitions are in an LVM partition Below is the partition structure for my HDD (this is hd0 according to grub). /dev/sda1 Microsoft Reserved /dev/sda2 Microsoft basic data /dev/sda3 EFI System (/boot/efi) /dev/sda4 /boot /dev/sda5 LVM (root, /home, swap) Bidski |
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