If you have a secret files or media, and you want to hide, they are ways to hide files. But what if , if you can hide your any complete drive.

Go on My computer icon, right click on it and select 'Manage'

(you must be having administrative rights for doing this)

Click on 'disk management' option.

Right click on the drive which you want to hide.

click on Change drive and path.

Select remove and press yes to the warning message.

Its all done, go to My Computer you wont be seeing your drive which you just hide.

Also you wont be able to acess any application of which installation file are there in that drive.

Good Luck !