: This is the official and most secure method. You will likely need to provide proof of ownership.
Once you have legal access to the official generator (either as a desktop application or a web-based dealer portal), follow these steps: Toshiba Challenge Response Code Generator Download
The only way to unlock the laptop is to input a matching "Response Code." In theory, only the manufacturer (Toshiba) possesses the master algorithm that can convert the Challenge Code into the correct Response Code. This brings us to the allure of the "Generator." : This is the official and most secure method