If the master password generators don't work, contacting Dell Technical Support is your best bet.
When locked out, your screen will display a password prompt alongside a followed by a suffix code (such as -595B , -8FC8 , or -E7A8 ). This suffix designates the specific encryption algorithm Dell used to secure that generation of hardware. dell latitude 3380 bios password reset
: Turn on your laptop and enter an incorrect password three to five times until an error code or system tag (e.g., 1234567-E7A8 ) appears. If the master password generators don't work, contacting
