1. Turn your HP ZV5105US laptop over.
2. Find the laptop battery release button lock for your HP ZV5105US laptop.
3. Now that your HP ZV5105US 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 ZV5105US battery is removed, grab your replacement HP ZV5105US battery for installation.
6. Insert the battery into the slot. Push the HP ZV5105US battery towards the laptop and secure it in place.