1. Turn your Dell D630c laptop over.
2. Find the laptop battery release button lock for your Dell D630c laptop.
3. Now that your Dell D630c 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 Dell D630c battery is removed, grab your replacement Dell D630c battery for installation.
6. Insert the battery into the slot. Push the Dell D630c battery towards the laptop and secure it in place.