1. Turn your Sony PCG-GRS250P laptop over.
2. Find the laptop battery release button lock for your Sony PCG-GRS250P laptop.
3. Now that your Sony PCG-GRS250P 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-GRS250P battery is removed, grab your replacement Sony PCG-GRS250P battery for installation.
6. Insert the battery into the slot. Push the Sony PCG-GRS250P battery towards the laptop and secure it in place.