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How to delete windows OS with out formatting
i tried installing OSx86 in my secondary hard disk i got win 7 on my primary hard disk.
i messed of with something so win 7 didnt boot up i got loads of data in win 7 HD ti cant repair the OS boot up
so i freshly installed win 7 OS in my secondary HD
now i want to delete previous win 7 installed in primary hard disk
i cant format as i got 350GB datas
i cant delete windows & program files and few other folders how to delete
left out folders