In the Expo FAQ [1] they suggest to try to bring it back to life by putting the cap back and leaving it vertically positioned, tip down for 24 hours. If it get

In the Expo FAQ [1] they suggest to try to bring it back to life by putting the cap back and leaving it vertically positioned, tip down for 24 hours. If it get back to life store it horizontally. [1] http://www.expomarkers.com/faq.html http://www.expomarkers.com/faq.html