Restricts access to the BIOS/UEFI utility settings. This is the password targeted in this guide. Why the "CMOS Battery Trick" Fails on the T470
Reconnect the batteries, power on, and the supervisor password should be gone.
: Open the bottom case. The BIOS chip is typically an 8-pin SOIC chip located near the RAM slots or CPU. Read and Backup lenovo t470 bios password reset verified
For a Lenovo ThinkPad T470, a "verified" BIOS password reset depends entirely on which password you are trying to bypass. Standard consumer-grade methods like removing the CMOS battery are effective for the Supervisor Password on this model. Official Lenovo Policy
For advanced users, technicians, and tech-savvy DIYers, the most reliable and verified physical bypass involves shorting specific pins on the motherboard's EEPROM chip during the boot cycle. ⚠️ Critical Warning Restricts access to the BIOS/UEFI utility settings
If timed correctly, the system will bypass the password check and enter the BIOS utility.
Many online tutorials copy-paste outdated instructions for older laptop models. Save your time and avoid trying these verified ineffective methods: : Open the bottom case
: They dump it twice and compare the file hashes to ensure a perfect, 100% accurate copy. The "Patching" Phase A specialized tool, such as the Lenovo Auto Patcher , is run on the second PC. This script modifies the original
Resetting the BIOS password on a Lenovo ThinkPad T470 is far from trivial, but it is also not impossible. While Lenovo officially maintains that there is no service procedure to reset a forgotten supervisor password, the repair community has developed and verified multiple working approaches. The CH341A programmer combined with the Lenovo BIOS Auto-Patcher stands out as the most reliable method, with numerous success reports from T470 owners who followed the process correctly.