~70% for Latitude E6xxx, E7xxx, Inspiron N series. 0% for 2020+ models.
This comprehensive guide explains what the 8FC8 system code means, how security on these motherboards works, and the legitimate methods available to regain control of your machine. What is the Dell 8FC8 BIOS Lock? dell 8fc8 bios master password
If software master keys fail to clear the 8FC8 lock, the password is permanently etched into the motherboard’s Non-Volatile Random-Access Memory (NVRAM) or an EEPROM chip. Bypassing this requires physical hardware manipulation. ~70% for Latitude E6xxx, E7xxx, Inspiron N series