Not showing correct size

I have the 3TB MyBook. After setting it all up, I go to “My Computer” and look for the drive. There it is :D 

However, it only shows Total Size: 83.8GB

That may be related to a WebDAV issue.

Try browsing the WebDAV FAQ to see if that applies
.

http://community.wd.com/t5/My-Book-Live/WebDAV-Primer-Microsoft-vs-WD-My-Book-Live-etc/m-p/576975/highlight/true#M23535