Here is a quick tutorial to make sure you have a clean install of windows. Many hardware manufaturers create small partitions for recovery which arn't needed. Also some new disks are in the wrong format for windows to be intalled. The few steps below work every time for clean install.
1. Boot from windows disk (your boot menu will be something like F11 or delete. A message on screen will let you know.)
2. Follow the windows instructions until you get to this screen:
3. Press Shift+F10 and type the following instructions:
4. Close the window and continue installing windows.
Hope this helps. I know it's helped me out over the last year or so.