dual boot partition management

I have a dual boot HDD, WinXP on the first partition and Win7 on the second partition and I want to get rid of XP and keep Win7.   I can delete the XP partition and expand Win7, but the result is unable to find ntldr error at startup.  All my user files are safe on a separate partition.  I don't want to have to reinstall Win7 and all other programs because it takes too long and besides, I really like Win7 install, I now and want to keep it as is, but without dual-boot.  I reinstalled the disk image, so now I can keep trying until I understand it.  So after I have delete the XP partition and expand the Win7 partition how do I Win7 to start?  Is there a file in the Win7 partition which causes the bios to look for XP? Can I find such a file and remove it for Win7 will start?

See this article from Wiki:

BOOTMGR is missing, message or black screen with cursor flashing

http://answers.Microsoft.com/en-us/Windows/wiki/Windows_7-system/Bootmgr-is-missing-message-or-black-screen-with/73fef5b7-5a7f-4910-a2b0-7219e9ec1646

J W Stuart: http://www.pagestart.com

Tags: Windows

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