Some online discussions have explored using the , which leverages Microsoft's Surface UEFI Configurator tool. The concept involves generating a self-signed certificate, creating an MSI package that applies a new, less restrictive UEFI configuration (effectively overriding the old one), and then running a reset package to clear everything.
A high-quality approach involves replacing the corrupted or locked NVRAM region with a clean, unconfigured NVRAM region from a donor Surface Pro 4 BIOS file of the exact same motherboard revision. Save the modified file as patched.bin . 5. Write the New Firmware Erase the physical chip using your programming software. Open patched.bin in the software. Click , followed by Verify . surface pro 4 bios password reset high quality
This comprehensive guide covers high-quality, verified methods to regain control of your Surface Pro 4. Understanding Surface Pro 4 UEFI Security Some online discussions have explored using the ,
Hex editor software (like HxD) or specialized BIOS cleaning software. Step-by-Step Hardware Procedure Save the modified file as patched
: Select UEFI Firmware Settings . Your Surface will restart.
: In the UEFI settings, navigate to Security > Change Password . If you see an option to clear the password (it might vary by firmware version), select it and confirm.