1. Turn your HP ZD7015us laptop over.
2. Find the laptop battery release button lock for your HP ZD7015us laptop.
3. Now that your HP ZD7015us 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 HP ZD7015us battery is removed, grab your replacement HP ZD7015us battery for installation.
6. Insert the battery into the slot. Push the HP ZD7015us battery towards the laptop and secure it in place.