i am cleaning my laptop by LCD cleaner.i drop it in a smooth cloth and apply it softly on the screen .don't push hard on the screen it may affect your laptop screen..
i used to clean it by this only..
i hope that you get my suggestion.....
The top has a very attractive way to tell you the truth. But for sharing information, I only use some kind of liquid which actually for car's dashboard. I always clean my screen laptop and case with that liquid.