How Can I Make External Drive Appear?

[cthulhuiscool]

I bought an external enclosure for a hd but the hd wasn't yet formatted when I inserted it. I hooked it up and connected it to the computer and it says it installs but I cannot get it to show up in my computer in order to format it. I checked view hardware and it's there and displays the potential size correctly, I just can't do anything with it at the moment. Is there an important step to get it running I am missing?

 

[Dangman]

Disk Management