Hiding Disk Completley

The following trick will enable you to hide any volume or disk you want for the sake of your privacy:-

follow the given steps :-
1. click on start.
2. select run.
3.Now type cmd.

(this will open a command prompt)
4.type the command DISKPART
5.now type LIST VOLUME
6.now we have to select the drive we want to hide
for example : SELECT VOLUME 3
7. type the command now REMOVE LETTER E
(as in case of volume 3)

Boom .
the volume will become invisible when you restart your computer.

To get the volume back to visible state.
follow the steps 1 to 6 again :
and in the 7th step write ASSIGN instead of REMOVE

I tried this on Window7- 32 bit OS