tokyosama on "Edit Image button is missing"

Could someone help me enable edit image button i can't rely on adobe photoshop cs6

here the image without the image edit button that i'm have issue figuring out to enable edit image button
http://img138.imageshack.us/img138/2406/imagedmw.png

I need to image edit button enable just like this
http://codex.wordpress.org/images/9/98/edit-media-page.png

Please help me thanks