1. Turn your Sony VGN-CR205EW laptop over.
2. Find the laptop battery release button lock for your Sony VGN-CR205EW laptop.
3. Now that your Sony VGN-CR205EW 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-CR205EW battery is removed, grab your replacement Sony VGN-CR205EW battery for installation.
6. Insert the battery into the slot. Push the Sony VGN-CR205EW battery towards the laptop and secure it in place.