How to see hidden drive in Windows 7

There are some difference between Windows Xp and Windows 7.Such as,By default,Windows Xp shows empty drives,but this drive become hide in Windows 7.That you if any drive become empty,it will become hidden in Windows 7.If you facing this problem,go to Folder option /View.Here unmark the Hide empty drives in the computer folder option and then OK.Now you can see empty drive in Windows 7 operating system.