How to restore data lost a Pen drive or a external hard drive

I'm going to say a pen drive or external hard drive in one of the lost data,
how can I restore that.

First, your computer would "command promp" open to. ( "Start", click "cmd.")  Follows "command promp" right click on one of the (Run as administrator) run now.

And your pen drive one or external hard drive is (E) as a visible, if (the following picture)

"Command promp" one "attrib -h -r -s / s / d e: \ *. *" As the type to Enter. (Pen drive or external hard drive to one (G) is displayed as "attrib -h -r -s / s /d g:\*.*" Enter the type to do. If you change the character of the final Blue letters appear in other .

Now is your pen drive or external hard drive appears on your files.

Do not forget to share with others to share the knowledge.