1. Turn your Toshiba PSAF0U-02D00T laptop over.
2. Find the laptop battery release button lock for your Toshiba PSAF0U-02D00T laptop.
3. Now that your Toshiba PSAF0U-02D00T 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 PSAF0U-02D00T battery is removed, grab your replacement Toshiba PSAF0U-02D00T battery for installation.
6. Insert the battery into the slot. Push the Toshiba PSAF0U-02D00T battery towards the laptop and secure it in place.