Hello,
Thank you for the reply.
You may try referring to the article mentioned below to fix the issue.
Automatically get recommended drivers and updates for your hardware
Also, try to type the model or serial number in the search box and get the required drivers downloaded and installed from the manufacturer link.
Drivers & Software
http://support.toshiba.com/support/drivers
Hope this helps. Otherwise, feel free to write us back and we will be glad to help you further.
Thank you