On Dell laptops, if an incorrect BIOS password is entered multiple times, the system will lock the user out. Upon rebooting, it displays a grey or white screen prompting for a "System Password" or "Admin Password." It will also display a "Service Tag"—a unique identifier for the hardware.
: This suffix is primarily found on newer Dell Latitude, Inspiron, Optiplex, Precision, and XPS models. Security Level 8fc8 bios password generator top