4 Bios Password Reset High Quality ((link)) — Surface Pro

Surface Pro 4 Go to product viewer dialog for this item. , there is no official way to reset a forgotten UEFI (BIOS) password. Microsoft does not provide recovery tools for this, and the password is saved directly to the hardware to prevent unauthorized access. If you are locked out of the UEFI settings on your Surface Pro 4

If your device was part of an organization, it might be managed via the Microsoft Surface Enterprise Management Mode (SEMM).  surface pro 4 bios password reset high quality

6) If you cannot remove the password: data and next steps

• If UEFI prevents access and you can’t remove it, you may need professional repair (authorized service center) or to replace the device.
• If data recovery is essential and the drive is intact and not encrypted with BitLocker, a technician may be able to extract the SSD and recover files (often requires specialized tools). If BitLocker is enabled and you don’t have the recovery key, data will not be recoverable.

Procedure (condensed):

1. Power off, remove SSD (unnecessary but safe).
2. Disconnect battery (critical!).
3. Locate BIOS chip (U21 or U22 near heatsink).
4. Clip programmer → detect chip → read → save dump.
5. Open dump in Hex editor → locate password string (often in SetupPassword or AdminPassword).
6. Replace with FFFFFFFFFFFF or use bios-pw-gen scripts specific to InsydeH2O UEFI.
7. Verify checksums (optional but wise).
8. Write back, verify, reassemble.
9. Boot, enter BIOS – password gone.