1. Turn your Sony VGN-FS630F laptop over.
2. Find the laptop battery release button lock for your Sony VGN-FS630F laptop.
3. Now that your Sony VGN-FS630F 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 VGN-FS630F battery is removed, grab your replacement Sony VGN-FS630F battery for installation.
6. Insert the battery into the slot. Push the Sony VGN-FS630F battery towards the laptop and secure it in place.