DISKPART
LIST DISK
SELECT DISK 0 (confirm from list this is Windows 7 HD #)
LIST PARTITION
SELECT PARTITION # (replace # with Windows 7 part #)
ACTIVE
EXIT
Take Two
DISKPART
LIST DISK
SELECT DISK 0 (confirm from list this is Windows 7 HD #)
LIST PARTITION
SELECT PARTITION # (replace # with Windows 7 part #)
ACTIVE
EXIT