1. Turn your Toshiba NB305-n410wh laptop over.
2. Find the laptop battery release button lock for your Toshiba NB305-n410wh laptop.
3. Now that your Toshiba NB305-n410wh 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 Toshiba NB305-n410wh battery is removed, grab your replacement Toshiba NB305-n410wh battery for installation.
6. Insert the battery into the slot. Push the Toshiba NB305-n410wh battery towards the laptop and secure it in place.