1. Turn your Sony VGN-FE550G laptop over.
2. Find the laptop battery release button lock for your Sony VGN-FE550G laptop.
3. Now that your Sony VGN-FE550G 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-FE550G battery is removed, grab your replacement Sony VGN-FE550G battery for installation.
6. Insert the battery into the slot. Push the Sony VGN-FE550G battery towards the laptop and secure it in place.