1. Turn your Gateway M-2623u laptop over.
2. Find the laptop battery release button lock for your Gateway M-2623u laptop.
3. Now that your Gateway M-2623u 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 M-2623u battery is removed, grab your replacement Gateway M-2623u battery for installation.
6. Insert the battery into the slot. Push the Gateway M-2623u battery towards the laptop and secure it in place.