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Surface Pro 4 Bios Password Reset High Quality -

Unless you own a hot air station, SPI programmer, and have micro-soldering experience, do not attempt Method 2 on a device you need.

| Option | Cost | Success Rate | Risk | | :--- | :--- | :--- | :--- | | Local Repair Shop | $50–$100 | 95% | Low (they have insurance) | | Mail-in Service | $40–$70 + shipping | 98% | Low | | DIY SPI Programming | $20 (tools) + screen risk | 40% (if novice) | High (broken screen) | | Microsoft Exchange | $450+ | 100% | Zero (but expensive) |

Search locally for: "Surface Pro 4 BIOS unlock service" or "UEFI password reset near me".

| Item | Example | |------|---------| | SPI Programmer | CH341A (with 1.8V adapter if chip runs at 1.8V – Surface Pro 4 does!) | | SOIC8 Clip | Pomona 5250 or generic | | Software | NeoProgrammer v2.2.10, FlashROM | | Donor/Backup | Clean BIOS dump from identical device |

If your Surface Pro 4 boots past the BIOS password but locks you out of changing boot order, you can sometimes reset the system using advanced startup. surface pro 4 bios password reset high quality

Prerequisite: You must be able to get to the Windows login screen.

Success Rate: Very low (20%). Most Surface Pro 4 BIOS locks block access to UEFI settings entirely.

Introduction

The Surface Pro 4 remains a capable device for many professionals and students. However, a forgotten BIOS password can turn a useful tool into an expensive paperweight. Unlike traditional desktop computers, the Surface Pro 4 utilizes a Unified Extensible Firmware Interface (UEFI) rather than a legacy BIOS. Because the hardware is proprietary and highly integrated, standard "remove the CMOS battery" tricks do not work. Unless you own a hot air station, SPI

This guide provides a high-quality, technical overview of the legitimate methods available for recovering or resetting a Surface Pro 4 UEFI password.

If the hardware short seems too risky or fails, the professional solution is to reprogram the BIOS chip directly.

Tools Required:

The Procedure:

  • Restore: Disconnect the programmer and power on the Surface. The password should be cleared.

    • Risk Note: Flashing the wrong BIOS file can "brick" the device permanently. If you overwrite the Windows Product Key in the BIOS, you may lose the digital license for Windows.

    If the above methods don't work:

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