1. Turn your HP xt4345QV laptop over.
2. Find the laptop battery release button lock for your HP xt4345QV laptop.
3. Now that your HP xt4345QV 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 xt4345QV battery is removed, grab your replacement HP xt4345QV battery for installation.
6. Insert the battery into the slot. Push the HP xt4345QV battery towards the laptop and secure it in place.