Welcome to SF! bcltoys
One way to get past any limitation there if the board suppports booting from usb devices would be to grab a 4gb usb flash drive and follow the guide on creating a usb install key.
USB Windows 7 Installation Key Drive - Create
There's a second option to consider as well for seeing a bootable ISO disk image created and running it from a virtual optical drive or an alternate method for creating a bootable flash drive install key.
Bootable ISO - Create from Installation Files
Typically these are options for netbook users where no optical drive is present but works well for desktops/laptops too. You can also use the repair tools by simply booting from the flash drive used to see less handling of the original dvd.