1. Turn your Acer 5744Z laptop over.
2. Find the laptop battery release button lock for your Acer 5744Z laptop.
3. Now that your Acer 5744Z 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 Acer 5744Z battery is removed, grab your replacement Acer 5744Z battery for installation.
6. Insert the battery into the slot. Push the Acer 5744Z battery towards the laptop and secure it in place.