Lock Drive Without Any Software In Windows 7

Hi friends....
i am here with a new trick to lock your drive without any software....
go to control panel
and select bit locker

now bit locker will show you all partition of hard disk in which bit locker is off

 now click on turn on bit locker

now click on set password to unlock drive

now click on save the recovery key on usb flash drive

now select your usb and than ok

now click on start encryption

now you will see encryption status like below

whet the status will reach in 100% you will get a message-

now when you see bit locker it will show you like this-

now go to my computer
your lock drive will look like this-

now double click on it
and put password to unlock it for current time

you have done...
cheers!!!