Surface Pro 4 Bios Password - Reset High Quality

Technicians use a hardware programmer (like the CH341A) to read the chip's data, strip the password section from the hex code, and re-write the "clean" firmware back to the chip.

Resetting a BIOS/UEFI password on a Surface Pro 4 Go to product viewer dialog for this item. surface pro 4 bios password reset high quality

Microsoft officially states that it a forgotten UEFI password for the Surface Pro 4. There is no software tool or "master password" provided by the manufacturer for this purpose. If you lose this password and need to change BIOS-level settings (like boot order), Microsoft typically recommends a full hardware replacement. Technical Workarounds (Advanced Users Only) Technicians use a hardware programmer (like the CH341A)

This will not work if the BIOS itself is password-protected from the start, but it can resolve some secondary security lockouts. 4. Advanced: Manual CMOS and BIOS Reflashing There is no software tool or "master password"

: This requires opening the device—which is difficult as the screen is glued down—and desoldering the BIOS chip (model 1724) from the motherboard.

Buy the CH341A programmer and learn to use it. Watch three YouTube tutorials on "Surface Pro 4 SPI flash" before touching the motherboard.