svante.sign...@gmail.com wrote: >On Wed, 2013-05-15 at 14:44 +0100, Ben Hutchings wrote: >> On Wed, 2013-05-15 at 15:20 +0200, Svante Signell wrote: >[...] >> > Can the problem be that the EFI partition containing W8 is /dev/sda2, >> > while I have been writing grub to /dev/sda and /dev/sda5 (Linux /)? >> >> All EFI boot loaders are written to the EFI boot partition >> (probably /dev/sda1 on your system) which is an ordinary FAT file >> system. >> >> Maybe you booted the installer in BIOS mode (also called legacy or CSM)? >> If you do that, it can't access the EFI boot variables at all. > >Don't really know, I have tried both options in the BIOS. Is there any >possibility to see if the DVD is booted in EFI or BIOS mode? BTW: when >booting I get the message: Error "prefix is not set".
That means you are *definitely* in EFI mode, using grub. >> Maybe. > >So installing grub (grub-efi-amd64) to /dev/sda (the EFI partition >is /dev/sda2) is the right thing to do? (to boot Linux, and then solve >the (eventually) missing Windows 8 entry in grub later) Installing grub-efi-amd64 and grub-efi-amd64-bin should DTRT, including finding and adding a Windows 8 UEFI boot entry in the grub menu. -- Steve McIntyre, Cambridge, UK. st...@einval.com "It's actually quite entertaining to watch ag129 prop his foot up on the desk so he can get a better aim." [ seen in ucam.chat ] -- To UNSUBSCRIBE, email to debian-boot-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/e1uccwi-0006e1...@mail.einval.com