1. Turn your Compaq 711LA laptop over.
2. Find the laptop battery release button lock for your Compaq 711LA laptop.
3. Now that your Compaq 711LA 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 Compaq 711LA battery is removed, grab your replacement Compaq 711LA battery for installation.
6. Insert the battery into the slot. Push the Compaq 711LA battery towards the laptop and secure it in place.