Surface Pro 4 Bios Password Reset High Quality May 2026

How to Handle a Locked Surface Pro 4 BIOS: Methods and Realities

  • Attach the SOIC-8 clip to the BIOS chip. Ensure pin 1 (marked with a dot on the chip) aligns with the red wire on the clip.
  • Connect the clip to the CH341A programmer.

2) Use Microsoft support if you can prove ownership

  • Microsoft’s consumer support cannot retrieve forgotten UEFI passwords for most individual devices, but they do offer repair/service options. If you can prove purchase and ownership, open a service request; a service center may be able to help (potentially with data loss or replacement parts). Expect verification and likely a fee.

What the BIOS password does

  • Connect the programmer to your PC. Use FlashROM (Linux) or NeoProgrammer (Windows).
  • Read the chip and save the bios_dump.bin file.

When you set a BIOS password on a Surface Pro 4, it is written to a sector of the firmware. If you lose it, Microsoft’s official solution is to replace the entire motherboard. Do not do that. Here is how to fix it yourself. surface pro 4 bios password reset high quality

Unlike a Windows login password, a BIOS password is stored on a chip outside your operating system. If you forgot it, bought a used locked Surface, or inherited one from an old job, you cannot bypass it with software alone. How to Handle a Locked Surface Pro 4

Method 3: Contact Microsoft Support

If the above methods don't work:

Resetting a Microsoft Surface Pro 4 BIOS (UEFI) password is a complex task because Microsoft designed these devices without a default "backdoor" password or a simple jumper reset. Standard methods like removing the CMOS battery generally do not work on Surface devices, as the password is stored in non-volatile memory. Attach the SOIC-8 clip to the BIOS chip