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For a Surface Pro 4, there is no official software-based way to reset a forgotten UEFI (BIOS) password; Microsoft officially states that they cannot retrieve or reset it for you Microsoft Learn
Have questions about the SPI method? Check the comments or visit r/Surface on Reddit for chip-specific dumps. surface pro 4 bios password reset high quality
| Factor | Rating | |--------|--------| | | 9/10 – Almost always works if hardware accessible | | Permanence | 10/10 – Fully removes, not just bypass | | Skill needed | 6/10 – Not beginner, but doable with guides | | Risk of bricking | 3/10 (low if you backup original dump) | | Cost | $15–25 for programmer kit | | Time | 1–2 hours first attempt | For a Surface Pro 4, there is no
: Use an external programmer to clear the "clean" region of the BIOS binary, removing the password lock. : Reattach the chip and reassemble the device. Common Misconceptions to Avoid How Do I Remove a BIOS or UEFI Password? : Reattach the chip and reassemble the device
Obtain the Microsoft Surface UEFI Configurator (part of the Surface IT Toolkit) from the official Microsoft website . Generate a Reset Package: Open the configurator and select Reset Package .