1. Turn your Sony VPCF117FX/H laptop over.
2. Find the laptop battery release button lock for your Sony VPCF117FX/H laptop.
3. Now that your Sony VPCF117FX/H 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 VPCF117FX/H battery is removed, grab your replacement Sony VPCF117FX/H battery for installation.
6. Insert the battery into the slot. Push the Sony VPCF117FX/H battery towards the laptop and secure it in place.