I have a windows 7 toshiba satellite C655-S5540 and i lost all of the drives for ethernet controller do you know how to get it. I'm on a desktop at the moment. In order to install the ethernet controller driver, you need to download the ethernet driver from the Toshiba website from a working computer, then transfer over, then you can install. This page contains information about installing the latest Toshiba Satellite C655-S5212 (C655 Series) driver downloads using the Toshiba Driver Update Tool. Toshiba Satellite C655-S5212 (C655 Series) drivers are tiny programs that enable your Laptop hardware to communicate with your operating system software.