You probably should disable the fingerprint scanner due to issues like: https://support.toshiba.com/support/viewContentDetail?soid=2548869
There are many articles on that:
I didn't find a manual for your exact model. Can you supply a link to that?
i have toshiba satlite tecra m6 with the problem of fingerprint lock on startup.How can i reset it and erase all the locks.like press backspase for input bios password.plz help me