1. Turn your Toshiba 456624-B31 laptop over.
2. Find the laptop battery release button lock for your Toshiba 456624-B31 laptop.
3. Now that your Toshiba 456624-B31 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 456624-B31 battery is removed, grab your replacement Toshiba 456624-B31 battery for installation.
6. Insert the battery into the slot. Push the Toshiba 456624-B31 battery towards the laptop and secure it in place.