Spotmau Wincare will help you out and they alsothey have Password Genius. One of these will boot your computer and then select password and select yourself by using the drop down arrow. It will then erase the old password or insert an new one. You now can boot.
Hi: I have a Dimension E520 Dell computer and I attempted to schedule clean-ups and defragmentations, however, my computer requested a password, which I don't recall. How would I go about finding it?