Locks access to the BIOS/UEFI setup utility. This is the most restrictive password and the primary focus of this article.
Verified Lenovo T470 BIOS Password Reset: Complete Guide to Removing Supervisor Password
Save this file twice and compare them to ensure the dump is clean.
Forget generic internet advice that wastes your time. This guide breaks down the verified, technical methods to reset or bypass a supervisor password on a T470, detailing what works, what fails, and how to safely navigate the process. Understanding Lenovo ThinkPad T470 Security lenovo t470 bios password reset verified
On the T470, the password is stored in a non-volatile chip. Removing the CMOS battery (the "coin" battery) will not reset the Supervisor Password; it will only reset the system date and time.
Read the chip content and save it as a .bin file. Make multiple backups. If anything goes wrong, this backup is your only lifeline.
Prompts immediately after pressing the power button. It prevents unauthorized booting into the operating system. Locks access to the BIOS/UEFI setup utility
This post assumes the user has physical access to the machine and owns it (e.g., a second-hand unit or a forgotten password). It does not cover "master password" generators (which don't work on the T470) or shorting EEPROM pins (outdated method for this model).
Attach the SOIC8 clip to the chip, ensuring correct orientation (Pin 1 match). Plug the CH341A programmer into the secondary computer.
: A working Windows or Linux machine to run the programming software. 2. Software Tools Programming Software : Tools like NeoProgrammer AsProgrammer to read/write the chip data. Lenovo Auto Patcher Forget generic internet advice that wastes your time
: Lenovo Support cannot reset a Supervisor Password. Their only official solution is a complete motherboard replacement
Shorting these pins at the exact right millisecond during boot-up interrupts the chip's communication with the CPU, tricking the BIOS into thinking no password is set.