1. Turn your Gateway MD26 laptop over.
2. Find the laptop battery release button lock for your Gateway MD26 laptop.
3. Now that your Gateway MD26 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 MD26 battery is removed, grab your replacement Gateway MD26 battery for installation.
6. Insert the battery into the slot. Push the Gateway MD26 battery towards the laptop and secure it in place.