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Before attempting a reset, it is crucial to understand how Microsoft secures these devices.
Resetting a Surface Pro 4 BIOS Password For the Microsoft Surface Pro 4, a BIOS (UEFI) password is a high-level security feature. Unlike standard desktop PCs, you cannot reset it by simply removing a battery or moving a jumper. Official Microsoft Stance
If you still have access to the Windows operating system, you can sometimes clear the UEFI password using Microsoft's official firmware management tools. Steps to Reset via Windows surface pro 4 bios password reset high quality
To help you make an informed decision, here is a comparison of all possible methods:
Surface Pro 4 does have a removable CMOS battery or jumper. The BIOS is stored in SPI flash memory.
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. ❌ Before attempting a reset, it is crucial
Trying to guess it will only lock you out of your OS as well.
Do you have or access to a repair shop?
For those who are not comfortable with the SEMM method, the only other reliable "surface pro 4 bios password reset high quality" solution involves a . This typically means sending the device to a professional service center that has the tools to reflash the UEFI chip. Official Microsoft Stance If you still have access
A locked BIOS (Unified Extensible Firmware Interface, or UEFI) on a Microsoft Surface Pro 4 completely halts productivity. It prevents changes to boot orders, stops operating system reinstalls, and locks down advanced hardware security settings.
The following article outlines the only reliable methods for addressing a locked UEFI, ranging from official software resets for manageable issues to advanced hardware modification for total lockouts. Understanding Surface Pro 4 UEFI Security
