1. Turn your Sony VGN-C290EBW laptop over.
2. Find the laptop battery release button lock for your Sony VGN-C290EBW laptop.
3. Now that your Sony VGN-C290EBW 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-C290EBW battery is removed, grab your replacement Sony VGN-C290EBW battery for installation.
6. Insert the battery into the slot. Push the Sony VGN-C290EBW battery towards the laptop and secure it in place.