1. Turn your HP 1451nr laptop over.
2. Find the laptop battery release button lock for your HP 1451nr laptop.
3. Now that your HP 1451nr 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 HP 1451nr battery is removed, grab your replacement HP 1451nr battery for installation.
6. Insert the battery into the slot. Push the HP 1451nr battery towards the laptop and secure it in place.