1. Turn your Asus K72DR laptop over.
2. Find the laptop battery release button lock for your Asus K72DR laptop.
3. Now that your Asus K72DR 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 K72DR battery is removed, grab your replacement Asus K72DR battery for installation.
6. Insert the battery into the slot. Push the Asus K72DR battery towards the laptop and secure it in place.