1. Turn your Toshiba PSLB8C-04N01X laptop over.
2. Find the laptop battery release button lock for your Toshiba PSLB8C-04N01X laptop.
3. Now that your Toshiba PSLB8C-04N01X 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 PSLB8C-04N01X battery is removed, grab your replacement Toshiba PSLB8C-04N01X battery for installation.
6. Insert the battery into the slot. Push the Toshiba PSLB8C-04N01X battery towards the laptop and secure it in place.