I don't see what boot manager you chose to use so I can't offer much. If you installed any OS without a boot manager then what you noted should happen.
Bob
i installed ubuntu in a separate Hd beside my windows Hd.when i m starting my pc it starts the windows i dont get any chance to choose the ubuntu till i remove that Hd but i want to choose at the beginning.whats the solution please anyone can help?

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