HIDE YOUR DISK DRIVE

open control  panel  ---    go to administrative tools  ----   click computer management -----

now a window will appear

click disk management on  the left column now u will see  all disk drives

suppose u have to hide  local disk E  --   right click on local disk E  and choose"change drive  letter and paths"

now a small  window will appear showing  ur letter"E"click remove and   then ok…

open my computer u will not  see local disk E

to bring back  repeat the above steps but  when u open disk  management the drive that is  hidden will b without any   letter  

right click on it and  choose"change drive  letter and paths" ----
press add and than ok….