preciousjene,
Make sure that the drive is detected by your computer. And displayed under My Computer, or Computer.
Open My Computer/Computer
-Verify if the drive is listed,
-If not Please check the connection or power of your External Device.
If Device is detected, and still wont resolve the problem, Contact support
How to reach support (FAQ) -
http://forums.microsoft.com/WindowsOneCare/ShowPost.aspx?PostID=2421771&SiteID=2