Are you trying to remove the password?
If so, try this
"1. The HDD password cannot be removed using Security Assist.
2. Using SETUP BIOS (i.e. start machine; Hold Esc; Press F1), Tab to the HDD Password section which should be displayed as follows:
HDD Password
HDD = Built-in HDD
HDD Password Mode = USER Only
User Password = Registered
3. Tab to the "User Password" field and simply enter the old password and then a new one twice (once to verify) as one would do normally. If you don't want a password, just press "enter" twice
"
Source:
http/www.tomshardware.com/answers/id-1818350/toshiba-password-removal-steps.html