Warning: UEFI (BIOS) passwords on Surface devices are a security feature. Microsoft’s official position: if you set a UEFI password and forget it, it cannot be recovered by anyone using normal consumer support — only the party that set the password (or an IT administrator with the device’s management keys) can remove it. The methods below cover your realistic options: official recovery paths, safe workarounds, and the advanced enterprise route used by IT teams. Do not attempt anything that would void warranties, break laws, or violate someone else’s ownership.
If you are not comfortable with micro-soldering or firmware manipulation surface pro 4 bios password reset high quality
Resetting a Surface Pro 4 BIOS (UEFI) password is significantly more difficult than a standard Windows password reset because Microsoft does not provide a default password or a software-based reset tool Super User Official Solution: Microsoft Support Microsoft officially states that there is no way to reset the UEFI password How to reset a Surface Pro 4 UEFI
Write Back & Reassemble:
Force Recovery Mode: Hold Shift while selecting Restart from the power menu on the sign-in screen. Check for Microsoft account/device management options first
Have questions about the SPI method? Check the comments or visit r/Surface on Reddit for chip-specific dumps.
Enter the device's Serial Number (found on the back under the kickstand). Save this as an .msi Run the Package: Execute the file on your Surface Pro 4