1. Turn your Toshiba L505-SP6997R laptop over.
2. Find the laptop battery release button lock for your Toshiba L505-SP6997R laptop.
3. Now that your Toshiba L505-SP6997R 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 Toshiba L505-SP6997R battery is removed, grab your replacement Toshiba L505-SP6997R battery for installation.
6. Insert the battery into the slot. Push the Toshiba L505-SP6997R battery towards the laptop and secure it in place.