If you set a new UEFI password, store it immediately in a secure, encrypted password manager.
: Use a PowerShell script to create a self-signed certificate (e.g., password "12345678"). Create a Configuration Package : Open the Configurator and select Configuration Package . Add your certificate and its password.
Run Windows Update regularly to ensure your Surface system firmware is patched against performance bugs and security vulnerabilities. Share public link surface pro 4 bios password reset high quality
The Surface Pro 4 was designed with enterprise security in mind. Microsoft deliberately made the BIOS password difficult to reset to prevent theft. (there isn't one), and no backdoor password exists.
Do Not Short Random Motherboard Pins: Attempting to short random pins on the motherboard while powering the unit on will permanently destroy the CPU or power management integrated circuits (PMICs). If you set a new UEFI password, store
Unplug the power charger, Surface Dock, Type Cover, MicroSD cards, and any external USB drives.
Given the Surface Pro 4's discontinued status, official support is limited, but it's worth exploring. Add your certificate and its password
This method is only for reinstallation. If you simply want to boot from a USB drive once (for a clean install), you can do so without the password: Shut down the device. Insert the USB drive. Press and hold the Volume Down button , then press and release the Power button. Continue holding Volume Down until the Surface logo appears, then release. This forces a one-time boot from external media.
Using a hardware programmer (like a CH341A programmer) and a SOIC8 clip, the technician reads the chip's current binary firmware code.
[ Surface Pro 4 Motherboard ] ---> [ Locate 8-Pin SOIC EEPROM Chip ] | v [ CH341A Programmer + Clip ] <----------- [ Connect to Chip Pins ] | v [ Adobe/Asurada/NeoProgrammer Software ] -> [ Read, Clear/Patch Password, Rewrite Firmware ] Required Equipment