Hold the button and press Power to enter UEFI settings.
If the device is managed by an IT department, they may be able to clear it using the Surface Enterprise Management Mode (SEMM) tools. 2. Windows-Based "Software" Bypass (If OS is Accessible) surface pro 4 bios password reset high quality
If you still have access to the Windows operating system on the device, you may be able to clear the password using the Microsoft Surface Enterprise Management Mode (SEMM) The Concept: Hold the button and press Power to enter UEFI settings
If you cannot use the official route, the only high-quality technical method involves physically reflashing the BIOS chip. This is an advanced procedure that usually requires a professional technician. Disassemble the Device surface pro 4 bios password reset high quality