This is the only method that works 100% of the time for the Supervisor password, Power-on password, and BIOS lock. It requires moderate soldering skills or a steady hand for pogo pins.
Step 1: Disassemble the T470
Step 2: Connect the Programmer
Step 3: Read & Verify
Step 4: The Verified Patch
Open the t470_locked.bin in a hex editor (HxD). You need to clear the password hash. lenovo t470 bios password reset verified
Step 5: Patch the Absolute Computrace (Optional)
If the T470 shows "Computrace Enabled," you must also zero out the Absolute persistence module. Locate the string "Intel PDR" and fill the 64-byte block with FF.
Step 6: Write the Clean ROM
Step 7: Reassemble & Boot Disconnect the programmer. Reinstall the CMOS battery and main battery. Press F1 at the Lenovo splash screen. The password prompt is GONE. You can now enter BIOS and set a new supervisor password.
Verdict: This method is verified to work on T470 BIOS versions 1.25 through 1.55 (2020-2025). This is the only method that works 100%
Lenovo offers a SVP removal service through authorized service providers. You’ll need:
They generate a one-time unlock code based on your device’s serial number and date code. Works 100% of the time.
Skip to Method 2 if you don’t have proof of ownership.
Before diving into the reset, you must understand why the T470 isn’t like an old T420. Starting with the Intel 6th Generation (Skylake) and 7th Generation (Kaby Lake) chipsets used in the T470, Lenovo implemented the BIOS Password & Computrace Lock directly into the Intel Management Engine (ME) region of the SPI flash chip. Step 2: Connect the Programmer
Key Facts:
There are two verified paths to freedom: Hardware SPI Flash (100% success) and Vendor Backdoor Codes (Limited success) .
Before we waste time on folklore, understand the architecture: