If your system boots to Windows, go to start, all programs, toshiba, support and recovery, recovery media creator.
Say yes to " allow changes ?"
The create recovery media screen comes up, choose what media to use (dvd or usb) 32mb of data...
Create the recovery set.
Reboot your system press F8 while booting, set the boot setup to boot to your dvd or usb.
Place the recovery media in that drive and reboot.
The Toshiba restore menu appears. Choose the "restore factory image".
Follow the prompts.