1. Turn your Toshiba AEBU1U0020-US laptop over.
2. Find the laptop battery release button lock for your Toshiba AEBU1U0020-US laptop.
3. Now that your Toshiba AEBU1U0020-US 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 AEBU1U0020-US battery is removed, grab your replacement Toshiba AEBU1U0020-US battery for installation.
6. Insert the battery into the slot. Push the Toshiba AEBU1U0020-US battery towards the laptop and secure it in place.