1. Turn your Compaq 715CA laptop over.
2. Find the laptop battery release button lock for your Compaq 715CA laptop.
3. Now that your Compaq 715CA 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 Compaq 715CA battery is removed, grab your replacement Compaq 715CA battery for installation.
6. Insert the battery into the slot. Push the Compaq 715CA battery towards the laptop and secure it in place.