1. Turn your HP ze5238 laptop over.
2. Find the laptop battery release button lock for your HP ze5238 laptop.
3. Now that your HP ze5238 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 ze5238 battery is removed, grab your replacement HP ze5238 battery for installation.
6. Insert the battery into the slot. Push the HP ze5238 battery towards the laptop and secure it in place.