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Power down the machine to disconnect all but the HDD with Windows on and set that HDD as second to boot in the BIOS after the Optical Disk Drive and run the startup repairs again, if the Windows 7 partition is not marked as "Active" that needs done also, see Option Two in this same tutorial at the link below.
Startup Repair - Run 3 Separate Times
To use diskpart to check if a partition is active ...
diskpart <enter>
list disk
select disk #
list partition
select partition #
detail partition