| Factor | Rating | |--------|--------| | | 9/10 – Almost always works if hardware accessible | | Permanence | 10/10 – Fully removes, not just bypass | | Skill needed | 6/10 – Not beginner, but doable with guides | | Risk of bricking | 3/10 (low if you backup original dump) | | Cost | $15–25 for programmer kit | | Time | 1–2 hours first attempt |
If you have access to the management console, deploy a "Surface UEFI Manager" package configured to reset the supervisor password to blank. Method 3: Hardware EEPROM Flashing (Advanced Users Only)
It is common for users to confuse a with a UEFI/BIOS Password . Removing Surface Pro UEFI Password - EduGeek.net surface pro 4 bios password reset high quality
Unlike older laptops, the Surface Pro 4 does not use a traditional CMOS battery that you can simply unplug. The BIOS password is saved in non-volatile RAM (NVRAM). However, a deep power drain can sometimes glitch the chip into a clear state. Steps to Drain the Power
: Shut down, then hold the Volume Down button while pressing Power to boot from the drive and choose "Recover from a drive". Reset or recover your Surface - Microsoft Support | Factor | Rating | |--------|--------| | |
Before attempting to dismantle your device, try these steps, which are sometimes successful if the password was set incorrectly or a glitch occurred, as shown in this JustAnswer thread : Completely turn off your Surface Pro 4. Volume Up Method: Press and hold the Volume Up (+) button.
If you are locked out of the UEFI menu but can still log into your Windows operating system, you have a high-probability workaround. Windows allows you to pass commands directly to the firmware interface. Step 1: Access Advanced Startup Log into your Windows account. Hold down the on your keyboard. The BIOS password is saved in non-volatile RAM (NVRAM)
To read the chip without desoldering, or a hot air rework station to remove the chip. Hex Editor Software: Asurada, NeoProgrammer, or HxD. A Second PC: To run the programming software. Step-by-Step Hardware Guide
The Ultimate Guide to Surface Pro 4 BIOS Password Reset Locking yourself out of the Surface Pro 4 UEFI (BIOS) can completely halt your workflow. Microsoft designs these devices with strict enterprise-grade security. This means there is no simple "backdoor" password or factory master key.