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#21
Mark Win7 partition Active, unplug Vista HD and swap its cable to Win7 making sure it remains first to boot in BIOS setup (after DVD drive). Unplug the backup drive or mark it Inactive or it will interfere: Partition - Mark as Active
Boot Win7 DVD Repair console or Repair CD, click through to Recovery Tools list to run Startup repair up to 3 separate times with reboots to write the System MBR to Win7 partition and make it boot independently.
Next, plug back in Vista HD, boot DVD again to wipe the HD using Diskpart, or use free Partition Wizard bootable CD to wipe only the Vista partition. Install Linux with Win7 HD unplugged. SSD - HDD Optimize for Windows Reinstallation
Partition Wizard
Boot preferred HD by setting it first HD to boot in BIOS setup. Boot other HD using one-time BIOS Boot Menu key whch on Giga boards is usually F12. This keeps the HD's independent to come and go as you please, and won't allow GRUB to corrupt Win7 boot as it frequently does.
Those Linux partitions you deleted needed to be wiped if they had GRUB or they might interfere with Win7 recovering System MBR - try it to see.