title: How to detect if media is inserted into a removable drive/card reader
body: <p>I have a card reader ( no memory stick is inserted ).</p>
  
  <p>When i insert into my compter it shows an empty drive in My Computer...</p>
  
  <p>Is it possible to know whether a drive is having a media  ( sorry i am not sure how to call it ) or not...</p>