I have a Dimension 2400, two years old. I hooked up my digital camera vai USB last night to transfer some photos and computer didn't recognize the drive. The icon in the lower right of the toolbar popped up saying "Hardware recognized" but when I when to Start -> Explore the drive did not show up. It's like it wasn't even hooked.

 

I then inserted a CD into the D and it too wasn't recognized. It's like everytihng other than the C: is gone. What can I do to get them back? Never had this problem before.