1. Turn your HP G72-a10SV laptop over.
2. Find the laptop battery release button lock for your HP G72-a10SV laptop.
3. Now that your HP G72-a10SV 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 G72-a10SV battery is removed, grab your replacement HP G72-a10SV battery for installation.
6. Insert the battery into the slot. Push the HP G72-a10SV battery towards the laptop and secure it in place.