1. Turn your HP dv5129us laptop over.
2. Find the laptop battery release button lock for your HP dv5129us laptop.
3. Now that your HP dv5129us 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 dv5129us battery is removed, grab your replacement HP dv5129us battery for installation.
6. Insert the battery into the slot. Push the HP dv5129us battery towards the laptop and secure it in place.