1. Turn your Samsung Q45 laptop over.
2. Find the laptop battery release button lock for your Samsung Q45 laptop.
3. Now that your Samsung Q45 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 Samsung Q45 battery is removed, grab your replacement Samsung Q45 battery for installation.
6. Insert the battery into the slot. Push the Samsung Q45 battery towards the laptop and secure it in place.