1. Turn your Dell 05X486 laptop over.
2. Find the laptop battery release button lock for your Dell 05X486 laptop.
3. Now that your Dell 05X486 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 05X486 battery is removed, grab your replacement Dell 05X486 battery for installation.
6. Insert the battery into the slot. Push the Dell 05X486 battery towards the laptop and secure it in place.