1. Turn your Sony VPC-EB3AFX/WI laptop over.
2. Find the laptop battery release button lock for your Sony VPC-EB3AFX/WI laptop.
3. Now that your Sony VPC-EB3AFX/WI 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 Sony VPC-EB3AFX/WI battery is removed, grab your replacement Sony VPC-EB3AFX/WI battery for installation.
6. Insert the battery into the slot. Push the Sony VPC-EB3AFX/WI battery towards the laptop and secure it in place.