Unfortunately Toshiba does not have any master passwords to override your existing password. You will need to take your notebook to a Toshiba authorised service provider to have the password removed. Charges will apply to have the password removed.
NOTE: Please provide proof of ownership (Tax Invoice)
To contact a Toshiba Mobilecare centre or authorized service provider please go to www.isd.toshiba.com.au/support then select Find a Service Centre
How To
How To