It is crucial to distinguish between a and a UEFI (BIOS) Password .
Professional repair shops use JTAG (Joint Test Action Group) programmers to directly read and rewrite the SPI chip. They extract the binary, locate the password hash, and flash a clean image back. This costs $100–$200 and is only worth it for data recovery. surface pro 4 bios password reset
Disclaimer: This article is for educational purposes and legitimate ownership recovery only. Attempting to bypass BIOS security on a device you do not own is illegal. The author assumes no responsibility for damaged hardware or voided warranties. It is crucial to distinguish between a and
or retrieved; the only official remedy for a forgotten password is a device exchange. Microsoft Learn locate the password hash