1. Turn your Sony PCG-FRV35Q laptop over.
2. Find the laptop battery release button lock for your Sony PCG-FRV35Q laptop.
3. Now that your Sony PCG-FRV35Q 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 PCG-FRV35Q battery is removed, grab your replacement Sony PCG-FRV35Q battery for installation.
6. Insert the battery into the slot. Push the Sony PCG-FRV35Q battery towards the laptop and secure it in place.