Windows7 and Ubuntu12.04 together

[Babak Hashemian]

Hi everybody,

I have a VAIO laptop with Intel Core i5 CPU which had a Windows 7 bundled with it. For sometime, I had a Ubuntu 12.04 Lts on another partition because of my modeling works. 3 days ago, my friend connected his laptop HDD to my system as an external device (which had a bootable win 7 on one of its partitions). I currently have a GNU Grub menu to choose on startup between my OSs. It looks like my system tried to boot from his HDD instead of my own HDD (My boot prioraties might have been on external device !) and so my Windows 7 boot files have been corrupted and after 2 or 3 times power up, the Grub has omitted it from the list. I just have a windows recover boot on the list. I tried to repair my windows via a bootable windows installation, but it did not recognize my windows 7 on its partition. Because of thesis works and projects, I do not want to loose my windows, and more importantly i do not want to loose my Ubuntu. I fear if I try to recover my
 windows via recover media it may destroy my Ubuntu boot paths. Does anyone have an idea on what should I do ? How can I repair my system ? Do I have a chance to repair or bring back or install windows 7 without loosing my ubuntu ? I appreciate your helps, Thank you.

Babak Hashemian
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