During the "Red Box" boot screen, purposefully enter incorrect characters until it allows a boot. Some users report that after subsequent reboots, the password field is cleared. EduGeek.net 3. Microsoft Service & Support
Unlike a Windows login password, a BIOS password is stored on a chip outside your operating system. If you forgot it, bought a used locked Surface, or inherited one from an old job, surface pro 4 bios password reset high quality
The only guaranteed, official way to remove a forgotten UEFI password without damaging the device is through Microsoft. During the "Red Box" boot screen, purposefully enter
A is your most legitimate option. Microsoft provides official recovery images for Surface devices. Microsoft Service & Support Unlike a Windows login
the password protection option in the configuration wizard. Apply the package to your device and restart. Method 2: The Hardware Drain (Clearing NVRAM)