1. Turn your Toshiba X505 laptop over.
2. Find the laptop battery release button lock for your Toshiba X505 laptop.
3. Now that your Toshiba X505 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 X505 battery is removed, grab your replacement Toshiba X505 battery for installation.
6. Insert the battery into the slot. Push the Toshiba X505 battery towards the laptop and secure it in place.