Surface Pro 4 Bios Password Reset High Quality -

Unplug the power charger, Surface Dock, Type Cover, MicroSD cards, and any external USB drives.

Use your secondary PC to read the current firmware dump file and save multiple backup copies.

Microsoft Authorized Service Providers can reset the BIOS password with proper ownership verification. This is the only method.

Websites claiming to generate unlock keys from your serial number do not work for Surface Pro 4.

Pulling a battery does not clear the password. surface pro 4 bios password reset high quality

or overwrite these hex values with default factory data.

Instead, use Windows' built-in feature to bypass the UEFI and boot directly from a USB drive. This method allows you to reinstall Windows or run recovery tools without ever needing the UEFI password.

Changing BIOS configurations or clearing TPM settings can trigger Windows BitLocker recovery loops. Always keep your 48-digit recovery key saved in your Microsoft account.

Why many DIY methods fail or are unsafe

If you want to choose the best option for your specific situation, tell me: Do you have the ?

Warning: UEFI (BIOS) passwords on Surface devices are a security feature. Microsoft’s official position: if you set a UEFI password and forget it, it cannot be recovered by anyone using normal consumer support — only the party that set the password (or an IT administrator with the device’s management keys) can remove it. The methods below cover your realistic options: official recovery paths, safe workarounds, and the advanced enterprise route used by IT teams. Do not attempt anything that would void warranties, break laws, or violate someone else’s ownership.

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

This method requires opening the Surface Pro 4 case. The screen is bonded to the chassis and is extremely fragile. Breaking the screen is a common occurrence for inexperienced technicians. This will likely void any remaining warranty. Unplug the power charger, Surface Dock, Type Cover,

Find the 8-pin Winbond or Macronix SOIC8 chip on the motherboard logic board (typically near the CPU shield).

the SOIC8 clip to the chip and plug it into the CH341A programmer.

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