Ok, when you enter Disk Management(diskmgmt.msc) you should see ALL drives in your system. This will include hard dives/card readers/optical drives/flash drives/ect
You should be looking for one that has a capacity of about 935.51 GB. It should be a dark grey(black) colored bar and say unallocated.
Right click that space and select New Simple Volume.
This is an image from another tutorial, it just shows the menu(your drive will be ALL unallocated).
Windows should guide you through the rest to get it formatted and all that good stuff. You can use the Quick Format option as well because it will be MUCH faster.