There is no single "master password" that works for all "8FC8" codes. However, several avenues can lead to a solution, ranging from the official to the do-it-yourself.
before attempting hardware modifications that could void your warranty. or finding the specific Support page for your laptop model? 8fc8 master password top
The 8FC8 Master Password: Security, Recovery, and the Modern BIOS Introduction There is no single "master password" that works