1. Turn your HP DV73090ed laptop over.
2. Find the laptop battery release button lock for your HP DV73090ed laptop.
3. Now that your HP DV73090ed 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 DV73090ed battery is removed, grab your replacement HP DV73090ed battery for installation.
6. Insert the battery into the slot. Push the HP DV73090ed battery towards the laptop and secure it in place.