The benefits are minimal, the risk is high, and Toshiba no longer supports this model. If you must update:
Filter the category to and download the latest version (e.g., Version 6.60 ). toshiba satellite c660 bios update
Updating the BIOS on a Toshiba Satellite C660 is not as forgiving as updating a driver. If the update fails, your motherboard becomes an expensive paperweight. Specific risks include: The benefits are minimal, the risk is high,