You can borrow any retail Win7 disk to clean reinstall with the Product Key on COA sticker. If you must download it from internet, search for official Win7 ISO from My Digital Life to get a safe copy. Here are the steps to get a perfect reinstall: Reinstalling Windows 7
Is the SSD recognized in the BIOS? Does Factory Recovery using the disks seem to proceed normally? Is there any error message or behavior at the end which reveals the problem other than just prompting for first disk again?
Try resetting BIOS to Optimal Defaults.