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Possible Duplicate:
How to get the Windows 7 bootloader back after installing XP, as well?

How can I freshly reinstall the bootloader? Using the tools bcdedit.exe, bootrec.exe, and/or bootsect.exe that come with Windows 7.

Assume that the bootloader is in an undefied state, it could be working or completely missing.

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unixman83
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  • Possible duplicates [How do I install the Windows 7 boot loader?](http://superuser.com/questions/234824/how-do-i-install-the-windows-7-boot-loader) and [How to get the Windows 7 bootloader back after installing XP, as well?](http://superuser.com/questions/87864/how-to-get-the-windows-7-bootloader-back-after-installing-xp-as-well) – Ƭᴇcʜιᴇ007 Jan 22 '12 at 20:17

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To write a new boot sector on your system, try 

bootrec /fixboot

But if it is damaged, you can use fixmbr to restore it

bootrec /fixmbr

Enter bootrec /? to see all the available options.

But for these commands to work, you might need to use the recovery command prompt booting from the Windows disc, then select Repair Your Computer, and from recovery options, choose Command Prompt.

Bibhas
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