1. Turn your Lenovo Y430 laptop over.
2. Find the laptop battery release button lock for your Lenovo Y430 laptop.
3. Now that your Lenovo Y430 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 Lenovo Y430 battery is removed, grab your replacement Lenovo Y430 battery for installation.
6. Insert the battery into the slot. Push the Lenovo Y430 battery towards the laptop and secure it in place.