This package is typically deployed over the network or via a bootable USB drive, which safely clears or resets the UEFI password configuration.
If you must set a UEFI password to enforce security features like TPM or Secure Boot, store the password immediately in an encrypted cloud password manager.
Once you regain access to your Surface Pro 4 UEFI, follow these best practices to avoid future lockouts:
Unplug the power charger, Surface Dock, Type Cover, MicroSD cards, and any external USB drives. surface pro 4 bios password reset high quality
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If you lose the UEFI password, standard software tools operating within Windows cannot override the hardware-level restriction. This package is typically deployed over the network
The Surface Pro 4 has jumper pins on the motherboard that can be used to reset the BIOS password. You'll need to:
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If Microsoft cannot help and the hash code method fails, the only remaining option is to physically flash the BIOS chip.
If you want, I can:
Enter the device's (found on the back under the kickstand). Save this as an .msi Run the Package: Execute the file on your Surface Pro 4
For devices acquired second-hand with locked BIOS settings, hardware reflashing is the most effective "high-quality" fix, though it requires professional soldering skills.