EFI detected. Please check the options.
You have installed on sda10 a Linux version which is not EFI-compatible. It is probably incompatible with your computer. Please install an EFI-compatible system. For example, Ubuntu-Secure-Remix-64bit and Ubuntu-64bit are EFI-compatible systems.
Advice displayed in case of recommended repair
The boot of your PC is in Legacy mode. You may want to retry after changing it to EFI mode.
Do you want to continue?
Final advice in case of recommended repair
Please do not forget to make your BIOS boot on sda1/efi/.../grub*.efi file!
The boot files of [The OS now in use - Ubuntu 12.10] are far from the start of the disk. Your BIOS may not detect them. You may want to retry after creating a /boot partition (EXT4, >200MB, start of the disk). This can be performed via tools such as gParted. Then select this partition via the [Separate /boot partition:] option of [Boot Repair]. (https://help.ubuntu.com/community/BootPartition
This setting would purge (in order to fix packages unsign-grub) and reinstall the grub-efi of sda10, using the following options: sda1/boot/efi,
Additional repair would be performed: unhide-bootmenu-10s fix-windows-boot backup-and-rename-efi-files