Kostick
Carefully pry the screen open using plastic guitar picks. Surface Pro 4 screens are incredibly fragile and easy to crack.
the Power button for a full 30 seconds to force a shutdown.
Do you have any experience with ?
Online "master password" calculators do not work for modern Microsoft Surface architecture.
Obtain the Microsoft Surface UEFI Configurator (part of the Surface IT Toolkit) from the official Microsoft website . Generate a Reset Package: Open the configurator and select Reset Package . surface pro 4 bios password reset high quality
How to Reset a Surface Pro 4 BIOS Password Safely and Effectively
Before attempting difficult resets, some users have reported success with these common defaults using an external USB keyboard 2. Reset Windows (If you just need to log in)
If the device is pre-owned, the original organization's IT admin can push a package via Microsoft Intune to remotely clear the UEFI password.
Patch the Dump: Open your BIOS dump file in a hex editor. Locate the specific NVRAM variables tied to security policies (often under headers like "Setup" or variables containing the security hash). Alternatively, run the dump through a reputable BIOS clearing tool to patch out the password region. Carefully pry the screen open using plastic guitar picks
Disconnect the programmer, assemble the Surface components loosely, and boot up. The device will boot straight to Windows or open the UEFI menu without asking for a password. Prevention: Managing UEFI Safely Moving Forward
Disconnect the power brick, keyboard cover, and all external USB devices.
Hold the button and press Power to enter UEFI settings.
: Save the configuration as an .msi file and run it using msiexec.exe . Do you have any experience with
Microsoft does not program backdoor master passwords into the Surface Pro 4 firmware.
CH341A USB Programmer or RT809F programmer.
A is your most legitimate option. Microsoft provides official recovery images for Surface devices.