It is very easy trick of window, after learning this trick u can impress ur friend very easily.
For it open Registry Editor (by writing Regedit in RUN) and just goto the: HKEY_CURRENT_USER\softwares\
microsoft\windows\current version\policies\explorer
Now in the right pane create new DWORD, name it NoDrives & modifies its value “3ffffff“(without ” “).
Now restart your computer u will see there isno drives in ur ‘my computer’.How is this trick.