1. Turn your Samsung QX411 laptop over.
2. Find the laptop battery release button lock for your Samsung QX411 laptop.
3. Now that your Samsung QX411 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 QX411 battery is removed, grab your replacement Samsung QX411 battery for installation.
6. Insert the battery into the slot. Push the Samsung QX411 battery towards the laptop and secure it in place.