Before attempting to clear the password, see if any of these workarounds apply to you:
the edges of the Surface Pro 4 screen to soften the adhesive. surface pro 4 bios password reset high quality
When software methods are impossible, professional repair technicians use hardware-level reprogramming. The Surface Pro 4 stores its UEFI configuration and password hash inside a physical EEPROM chip on the motherboard. Before attempting to clear the password, see if
Use a heat gun to remove the chip, noting that some chips are glued as seen in this Surface Pro 7 example . Use a heat gun to remove the chip,
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
When software methods fail, the only high-quality, guaranteed way to reset a Surface Pro 4 BIOS password is via physical hardware modification. This requires advanced micro-soldering skills. How it Works:
Always back up your BitLocker recovery key before attempting a BIOS reset.