Ok, so the installation was not made using the equipment in the new machine, but the old?
This is starting to sound suspicious. 😛 While it's possible in some cases you may get away with that, you won't in all of them.
Is there a USB thumb drive you could use for installing your Windows on the new machine with the hard drive installed, or possible an optical drive you could install for the purposes of the installation?
If you have a USB thumb drive of sufficient capacity, you can use a utility such as Win-to-Flash to copy a Windows installation from your Windows disc to your flash drive, so you can attempt installation without an optical drive. This is often how you have to reinstall Windows on Netbooks that don't have an optical...