Factory setting

Hello,
dear sir,
I have toshiba note book model name satellite M70-122 series i face some problem.
how to configure user password befor open windows and how to restor factory setting in bios i want make password in startup screen i creat user password and supervisor password but password can't aseked paswwor in startup screen windows open without given password.
and i want to clear hard disk password in bios and clear all password in my laptop toshiba setllite M70-122 SERIES

THANKS.