Monday, June 18, 2012

Bootmgr is Missing - Dell XPS 8500 - Windows 7 64bit

Rebooted PC after re-sizing my main partition. (Tested out Win 8 on a different partition.) Got: Bootmgr is missing Booted up Win 7 install CD and went into recovery console. Tried, bcdboot.exe and got "failure when attempting to copy boot files". Tried bootrec /fixmbr /fixboot /rebuildbcd /scanos ... to no avail. Tried Diskpart, and here I was close but the WRONG thing to do is make your system partition the active partition. Make the SECOND partition the active one. After much digging I finally found THE answer. The issue was that Dell is using EFI boot manager, which means it uses a different partition to store to boot information. Hat tip to:

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