I downloaded Ubuntu 14.04 64-bit .iso from official Ubuntu site. While installing it from a bootable USB drive I selected to replace Windows 8. The installer removed all my partitions and replaced it with an Ubuntu one.
I then installed Windows 8 by making a separate partition out of the Ubuntu space. I did not get any option to boot Ubuntu.
Why can't I boot Ubuntu and how do I fix this? And is there any way to get back my files(a whole lot collection of Programmes, Movies, Games and Music?