I am new at ubuntu i have a Sony notebook whit pre. Installed windows 8, and ubuntu studio 13.10, and can only boot ubuntu i put up the grub to sda3, and mount the windows 8 partition to boot whit g part, but then I find out that it lays on sda2, when I boot windows 8 it says that it can not load image, and has set it up to an windows boot mange (uefi /dev/sda3), and i don't know what to do to boot windows 8.
Thanks.
The boot repair program has successfully been used for these problems.
http://www.ubuntugeek.com/boot-repair-simple-tool-to-repair-frequent-boot-problems.html