You input your Service Tag and the -8FC8 suffix. The site uses an algorithm to predict the master key.
Need help? Generate your actual master password using the challenge code at bios-pw.org (for non-commercial, legal use only). dell 8fc8 bios master password
The suffix indicates a specific encryption scheme used by Dell to lock the BIOS/UEFI on newer laptop models. Unlike older systems that could often be bypassed by removing the CMOS battery, 8FC8 passwords are stored in non-volatile memory and require a unique Master Password (also called a "release code") to unlock. Method 1: Official Dell Support (Recommended) You input your Service Tag and the -8FC8 suffix
Search for "Dell BIOS master password generator (old version)" or "Phoenix BIOS password decoder." Input your Service Tag and, if asked, the "8FC8" hash. the "8FC8" hash.