I had my windows 8 OS.just yesterday i wanted to dual boot with ubuntu 14.10. And installed it in a another drive(other than C:\). But after installing ubuntu, boot loader directly loaded to ubuntu(with out giving a option to windows 8 on start up). I tried "boot-repair".And now on start up, it only gives option
1.ubuntu* 2.Advance options for ubuntu
but it doesn't load to windows 8. Please help. As soon as possible. And even i cant see my datas in hard drive through ubuntu.