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Possible Duplicate:
“Error loading operating system” after installing Windows XP on separate partition from Windows 7

I had Windows 7 installed on my existing Windows XP Pro, which used to give me option to choose the OS whenever the computer was switched on.

Now I reinstalled XP and my system boots only to XP and does not show the boot manager to choose either Windows 7 or Windows XP.

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marked as duplicate by Moab, Ƭᴇcʜιᴇ007, Sathya Jun 13 '12 at 12:28

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

up vote 3 down vote accepted

When you are adding OS installations to a multiboot system, the last install usually writes over the previous boot manager like this. Ideally you should install the OS with the boot manager you prefer last. But in cases like this, you can just repair the boot manager. For the Windows 7 boot manager, this page has a nice tutorial.

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Though late in replying, this solution worked for me...Thanks – roman_bull Jun 12 '12 at 11:53

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