1. Turn your Toshiba M35 laptop over.
2. Find the laptop battery release button lock for your Toshiba M35 laptop.
3. Now that your Toshiba M35 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 M35 battery is removed, grab your replacement Toshiba M35 battery for installation.
6. Insert the battery into the slot. Push the Toshiba M35 battery towards the laptop and secure it in place.