Lenovo T470 Bios Password Reset Verified [better] -
If you are the original owner, contact Lenovo Support. Note that they generally require a motherboard replacement to "reset" a forgotten Supervisor Password, which is a paid service. Method 2: The CMOS Battery Trick (Limited Success)
Method 3: Shorting the EEPROM Chip (Advanced Hardware Bypass) lenovo t470 bios password reset verified
If you are not comfortable opening your laptop and working with circuit boards, the safest "verified" method remains contacting for a motherboard replacement or seeking a professional technician who specializes in EEPROM reprogramming. If you are the original owner, contact Lenovo Support