check in your BIOS to see if that drive is even there. Also make sure you enable the "Auto Detected" option...first i would check your BIOS before you claim that is doesn't recognize it.
Next step...would go into the windows DiskManagement tool and see if its there.
Or you can use FDISK like mentioned above
Desktop - DualBoot: Fedora 15/Windows 7 64bit
Netbook - Windows 7 Professional
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