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". > > I > > have not yet dared to try to write it to /dev/sda2 where the W8 is > > installed. The trials were made with /dev/sda5 mounted as / with and > > without marking it as an EFI partition. (/dev/sda2 comes before > > /dev/sda5 physically. Additionally I saw somewhere that only one EFI > > partition is allowed per disk) > > > > For the install-grub /dev/sda; update-grub commands can I use the Rescue > > mode on the DVD to check failure/success? > > 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) -- 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/1368626287.24198.72.ca...@s1499.it.kth.se