1. Turn your Dell C500 laptop over.
2. Find the laptop battery release button lock for your Dell C500 laptop.
3. Now that your Dell C500 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 C500 battery is removed, grab your replacement Dell C500 battery for installation.
6. Insert the battery into the slot. Push the Dell C500 battery towards the laptop and secure it in place.