1. Turn your Toshiba PS240L-04UP5 laptop over.
2. Find the laptop battery release button lock for your Toshiba PS240L-04UP5 laptop.
3. Now that your Toshiba PS240L-04UP5 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 PS240L-04UP5 battery is removed, grab your replacement Toshiba PS240L-04UP5 battery for installation.
6. Insert the battery into the slot. Push the Toshiba PS240L-04UP5 battery towards the laptop and secure it in place.