1. Turn your Dell C600 laptop over.
2. Find the laptop battery release button lock for your Dell C600 laptop.
3. Now that your Dell C600 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 C600 battery is removed, grab your replacement Dell C600 battery for installation.
6. Insert the battery into the slot. Push the Dell C600 battery towards the laptop and secure it in place.