how to motivate a child to write?

Most kids nowadays seem to dislike writing. Many simply don't know what to write no matter how much guidelines or helpful background information are provided. I guess it's a problem of organizing ideas and thinking (ie they don't know how to organize/ don't want to think). I've used the method of questionings (what, when, where, how, etc), and trying to make the writing related to life (eg. writing to a friend, meeting someone new on facebook, ordinary diary...). Do anyone have useful methods to share on guiding or inspiring kids under 11 to write?