1. Turn your Gateway M6809 laptop over.
2. Find the laptop battery release button lock for your Gateway M6809 laptop.
3. Now that your Gateway M6809 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 Gateway M6809 battery is removed, grab your replacement Gateway M6809 battery for installation.
6. Insert the battery into the slot. Push the Gateway M6809 battery towards the laptop and secure it in place.