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