Surface Pro 4 Bios Password Reset High Quality Fix [LATEST]
Use a flash programmer (like a CH341A) to read the chip's contents, modify the BIOS binary to remove the password, and re-flash the chip.
This is the only definitive way to clear the password from the motherboard physically. It requires advanced microsoldering skills and specialized tools. The Process: The UEFI password on a Surface Pro 4 is stored in a non-volatile memory chip on the motherboard
Microsoft officially states that it a UEFI password.
Search for the specific hex blocks containing the NVRAM variables linked to the supervisor password (often indexed under structures like Setup or MeRegion ). surface pro 4 bios password reset high quality
Create a "Configuration Package" using a self-signed certificate. When prompted for a UEFI password in the configurator, leave it blank Install the resulting package on the Surface and reboot.
The screen must be removed, which is fragile and often breaks during removal.
Once you regain access, implement secure practices to prevent future lockouts. Use a flash programmer (like a CH341A) to
If your Surface Pro 4 belongs to an enterprise environment or was previously managed by an IT department, the most reliable and safe method is using SEMM (Microsoft Surface Enterprise Management Mode).
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.
Some third-party tools claim to reset the BIOS password on Surface devices. However, we do not recommend using these tools, as they may: The Process: The UEFI password on a Surface
If you are the original owner or can prove ownership.
the BIOS password, you must interact directly with the hardware. This is considered the only "high-quality" permanent fix for a lost UEFI password, but it requires advanced soldering skills. How Do I Remove a BIOS or UEFI Password?
Resetting the BIOS password on your Surface Pro 4 is necessary when you forget the current password or need to regain access to your device. Here are some scenarios where BIOS password reset is required:
To truly remove a UEFI password lock that is preventing you from changing boot settings or Secure Boot, you must physically interact with the motherboard. This is risky and requires technical skill.
Unlike many laptops, the Surface Pro 4 uses a modern , not a traditional BIOS. This password is designed to be highly secure and is stored in non-volatile memory directly on the motherboard. This is why old tricks like removing the CMOS battery or resetting a jumper won't work. The battery on a Surface Pro 4 is soldered and non-removable, and there are no reset pins exposed on the motherboard.