Contact your IT department if the device was managed by an organization.
This is the nuclear option. It involves physically from the motherboard, reading its contents with a hardware programmer (like a CH341A), modifying the binary file to remove the password, and then reflashing the chip. This is often the only guaranteed way when all else fails.
Surface Pro 4 Go to product viewer dialog for this item. BIOS/UEFI Password Reset Report Resetting a forgotten UEFI (BIOS) password on a Surface Pro 4 surface pro 4 bios password reset high quality
Forgetting your Surface Pro 4 UEFI (BIOS) password can feel like hitting a brick wall. Unlike standard Windows login passwords, which are relatively easy to reset, Microsoft's UEFI security is designed to be rigorous. Microsoft Support officially states that they cannot retrieve or reset these passwords for you. If you are stuck, 1. Distinguishing BIOS from Windows Passwords First, ensure you are actually locked out of the BIOS.
For those who are not comfortable with the SEMM method, the only other reliable "surface pro 4 bios password reset high quality" solution involves a . This typically means sending the device to a professional service center that has the tools to reflash the UEFI chip. Contact your IT department if the device was
Since there are no software backdoors, some technicians perform a manual reset by physically accessing the motherboard. This is a high-risk process that usually involves:
: Shut down, then hold the Volume Down button while pressing Power to boot from the drive and choose "Recover from a drive". Reset or recover your Surface - Microsoft Support This is often the only guaranteed way when all else fails
: Reflashing with an incorrect or non-original BIOS region can lead to the touchscreen failing. In these cases, the BIOS may show a touch firmware version of "000000".
if it is forgotten. If you are under warranty, you may be able to request an exchange, though this typically involves a fee for out-of-warranty devices. Support Portal : You can check your options on the Microsoft Device Service and Repair Microsoft Learn Advanced Technical Method: Hardware Reflash
Because the Surface Pro 4 is designed with security in mind, Microsoft does not provide a publicly available backdoor or "master password" generator.
Several users on technical forums have reported success using this method on various Surface models, including the Pro 4. The process is advanced but achievable for a determined user:
