Asus dvd witter not working

Hello, friends,
I have ASUS DVD writter. It working fine till last month. Then i reinstall my window and everything running good. But when I insert the CD in the my ASUS dvd writter it don't not detect it. So after so much trying I decided to open my dvd writter and clean it very carefully. then I close and even I have the same problem. Anybody please help to figure out the problem. Is my dvd writter is now totally useless or any possibilities of repairing it.

Please help me. I need it.