1. Turn your Toshiba C650 laptop over.
2. Find the laptop battery release button lock for your Toshiba C650 laptop.
3. Now that your Toshiba C650 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 C650 battery is removed, grab your replacement Toshiba C650 battery for installation.
6. Insert the battery into the slot. Push the Toshiba C650 battery towards the laptop and secure it in place.