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Jun 10, 2012

SOLVED! Repair Master Boot Record (MBR) Windows 7

Question:
My computer will no longer boot into Windows.  All I see is a black screen with an underscore in the upper left corner of my screen.  How can I fix this?

Answer:
1. Boot off of your Windows 7 installation CD.
2. Choose "Repair your computer" and then select "Command Prompt"
3. After selecting repair>cmd prompt, enter:
   BootRec.exe /fixmbr, then hit enter.
4. Then enter Bootrec.exe /FixBoot. Then hit enter.  This writes a boot sector onto the system partition to start Windows.


Optional Commands:
/ScanOs
. Scans all disks for Windows installations and displays them to you. 

/RebuildBcd
. Scans all disks for Windows installations and prompts you to pick the ones you want to add to the BCD.

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