1. Turn your Toshiba PSK36U laptop over.
2. Find the laptop battery release button lock for your Toshiba PSK36U laptop.
3. Now that your Toshiba PSK36U 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 PSK36U battery is removed, grab your replacement Toshiba PSK36U battery for installation.
6. Insert the battery into the slot. Push the Toshiba PSK36U battery towards the laptop and secure it in place.