Remove Efi Password | No Password

High for older Dell, HP, Lenovo, Acer models (pre-2018). Low for modern TPM 2.0 systems.

By taking these precautions, John was able to prevent similar issues from arising in the future. remove efi password

This is the only guaranteed, "safe" method that won't risk damaging your hardware. If you can prove you own the device, Apple can remove the lock for you. High for older Dell, HP, Lenovo, Acer models (pre-2018)

Many laptops have a master password generator based on the "Hash" code displayed after 3 wrong attempts. High for older Dell