1. Turn your Asus X58C laptop over.
2. Find the laptop battery release button lock for your Asus X58C laptop.
3. Now that your Asus X58C 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 Asus X58C battery is removed, grab your replacement Asus X58C battery for installation.
6. Insert the battery into the slot. Push the Asus X58C battery towards the laptop and secure it in place.