WIth all drives attached, please post back a screenshot of your maximized Disk Management drive map and listings:
1. Type Disk Management in Start
2. Open Disk Mgmt. window and maximize it.
3. Type Snipping Tool in Start Search box.
4. Open Snipping Tool, choose Rectangular Snip, click New, draw a box around full drive map and all listings.
5, Save Snip, attach using paper clip in Reply Box.
Tell us what is on each partition.
If Windows 7 still won't boot then with all other HD's unplugged Mark Active
the 100mb System Reserved partition (preferred if you have it) or Windows 7 partition to run Startup Repair - Run up to 3 Separate Times