1. Turn your Sony VPC-EA2HFX laptop over.
2. Find the laptop battery release button lock for your Sony VPC-EA2HFX laptop.
3. Now that your Sony VPC-EA2HFX 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 Sony VPC-EA2HFX battery is removed, grab your replacement Sony VPC-EA2HFX battery for installation.
6. Insert the battery into the slot. Push the Sony VPC-EA2HFX battery towards the laptop and secure it in place.