1. Turn your Gateway p-171x laptop over.
2. Find the laptop battery release button lock for your Gateway p-171x laptop.
3. Now that your Gateway p-171x 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 p-171x battery is removed, grab your replacement Gateway p-171x battery for installation.
6. Insert the battery into the slot. Push the Gateway p-171x battery towards the laptop and secure it in place.