1. Turn your HP EZ452UAR laptop over.
2. Find the laptop battery release button lock for your HP EZ452UAR laptop.
3. Now that your HP EZ452UAR 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 EZ452UAR battery is removed, grab your replacement HP EZ452UAR battery for installation.
6. Insert the battery into the slot. Push the HP EZ452UAR battery towards the laptop and secure it in place.