Once unlocked, set a memorable password and store it safely.
If the machine is still covered under any or warranty.
If you can tell me if you have any specialized electronics tools (like a EEPROM programmer), I can tell you which method is safer. Alternatively, if you're not comfortable with technical repairs, I can offer guidance on where to buy a replacement motherboard. YouTube·MoKernel
While older ThinkPads (pre-T430) allowed shorting specific pins (SCL/SDA) during boot to bypass verification, this method is widely reported to be ineffective on the T470 due to newer security architectures. lenovo t470 bios password reset verified
Lenovo provides a built-in feature to reset the BIOS password on the T470. This method is the most straightforward and recommended approach.
Verified Method 1: The Official Lenovo Motherboard Replacement
If you perform the steps in Section 2 and the password remains: Once unlocked, set a memorable password and store it safely
Attach the SOIC8 clip to the chip, ensuring correct orientation (Pin 1 match). Plug the CH341A programmer into the secondary computer.
Use software like or NeoProgrammer to read and save the chip's current firmware (the BIOS dump).
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. This method is the most straightforward and recommended
Unlike older laptops or consumer-grade devices, you cannot unlock a ThinkPad T470 BIOS by simply removing the CMOS battery or entering a generic backdoor code. Lenovo designs these machines to withstand physical theft and unauthorized data access.
There is no secret combination of keys (like holding Shift, Ctrl, or Fn while booting) that bypasses a modern Lenovo Supervisor Password. Summary of Verified Actions Success Rate Risk Level Skill Required High (Risk of bricking) High (Requires perfect timing) CH341A Programmer Extremely High Low to Moderate Medium (Software & Clip placement) Board Replacement $50 - $100 Low to Medium (Basic PC assembly)
Lenovo will resolve this by completely replacing the motherboard (system board). If your laptop is out of warranty, this repair can cost anywhere from $200 to $450, which often exceeds the current market value of a used T470.
