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    Windows 7 Windows 7 boot (Grub4Dos)

    Some time ago I had Ubuntu Linux(alongside Windows 7) but now when I start my computer I have only option to press ESC and when red GRUB4DOS window appear. I really don't know how to use It. I have Windows 7 cd but I don't know how to boot It, because I can't change boot priority in BIOS(can't...