HIDE YOUR DRIVE PARTITION IN WINDOWS

1)Open "CMD" (win7 users,run cmd as administrator)
2)Type Diskpart
3)Then Type List Volume
-- now you would be able to see all your partition's,
--Suppose I want to Hide My D drive,see the volume no given next to it(in my case,for drive D volume no is 2),then
4)Type select volume 2
5)Type remove letter D
Done!!!!!

TO RESTORE IT
in step5 type assign letter D
Enjoy

-Pramz