1. Turn your Asus W3N laptop over.
2. Find the laptop battery release button lock for your Asus W3N laptop.
3. Now that your Asus W3N laptop battery is unlocked, find the battery release button down.
4. Holding the laptop battery release button, gently pull your battery away from the laptop.
5. Now that your Asus W3N battery is removed, grab your replacement Asus W3N battery for installation.
6. Insert the battery into the slot. Push the Asus W3N battery towards the laptop and secure it in place.