Restore Windows 7 Bootmanager (BOOTMGR is missing)

• Boot Windows 7 with DVD and press Shift + F10
• start the program “diskpart“
• list disk shows hard drives
• select disk x choose the hard drive x
• list part shows partitions of hard drive x
• select part y choose partition y
• detail part shows informations of the partition; check if it is active
• active activate the partition as boot-partition
• exit exit diskpart
• fix the boot record:

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bootrec /ScanOs bootrec /fixmbr bootrec /fixboot

• try auto-repair a few times

if windows is still not booting:

• copy “bootmgr” and the directory “boot” of Windows 7 DVD to the root directory of your Windows 7 partition
• fix the boot record:

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bootrec /ScanOs bootrec /fixmbr bootrec /fixboot