1. Turn your Toshiba M200-S838 laptop over.
2. Find the laptop battery release button lock for your Toshiba M200-S838 laptop.
3. Now that your Toshiba M200-S838 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 M200-S838 battery is removed, grab your replacement Toshiba M200-S838 battery for installation.
6. Insert the battery into the slot. Push the Toshiba M200-S838 battery towards the laptop and secure it in place.