1. Turn your HP G61-306NR laptop over.
2. Find the laptop battery release button lock for your HP G61-306NR laptop.
3. Now that your HP G61-306NR 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 G61-306NR battery is removed, grab your replacement HP G61-306NR battery for installation.
6. Insert the battery into the slot. Push the HP G61-306NR battery towards the laptop and secure it in place.