How to Restore a Toshiba System
If your Toshiba system has become overthrown with a virus or other technical issue, you will most likely need to complete a system restore. Unlike most might think, completing a system restore on your Toshiba system doesn't require you to be a computer whiz. It is actually a task that almost anyone can complete easily. To restore your system you do not need to use your restoration or product installation CD.
Turn off your Toshiba system.
Restart your computer and press and hold down the 0 (zero) key while the computer is powering up.
Click on "Recovery of Factory Default Software" once the "Toshiba Recovery Wizard" screen pops up. Click "Next."
Select "Recover out-of-box state" and then click "Next."
Press any key on your keyboard once the notification "HDD has been Recovered" pops up. This will restart your Toshiba system.