1. Turn your HP L2005A3 laptop over.
2. Find the laptop battery release button lock for your HP L2005A3 laptop.
3. Now that your HP L2005A3 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 L2005A3 battery is removed, grab your replacement HP L2005A3 battery for installation.
6. Insert the battery into the slot. Push the HP L2005A3 battery towards the laptop and secure it in place.