If you are comfortable with soldering but not with hex editing, you can purchase a pre-programmed BIOS chip for the T470 on sites like eBay. These chips come with the password cleared. You simply de-solder the old chip and solder the new one in its place. Conclusion
For the Supervisor Password, the T470 stores the hash on a specific EEPROM chip (often the or 24RF08 type). Advanced users can bypass the password by "shorting" the SDA and SCL pins on this chip at the exact moment the laptop boots.
Requests a password immediately after pressing the power button. 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.
Check with the previous owner or your company’s IT helpdesk. If you are comfortable with soldering but not
If timed correctly, the BIOS will fail to read the password and allow entry into the settings, where you can then disable the password.
Finding yourself locked out of a Lenovo ThinkPad T470 due to a forgotten BIOS password can be a major roadblock. Whether it’s a preventing hardware changes or a Power-On Password (POP) stopping you from booting, Lenovo’s enterprise-grade security makes bypassing these locks difficult by design. Conclusion For the Supervisor Password, the T470 stores
Prevents access to the BIOS setup utility. If set, you can often boot into Windows but cannot change hardware settings.