Open the laptop, disconnect the main battery and CMOS battery (a CR2032 coin cell) for 15 minutes. Warning: On modern Dells, the password is stored in non-volatile EEPROM. Removing batteries will not clear the 8FC8 lock.
For desktops (OptiPlex only) stuck on the 8FC8 screen:
For laptops: This method is obsolete. Modern Dell laptops store the 8FC8 lock in EC (Embedded Controller) firmware, not volatile CMOS.
As of 2025, Dell has phased out the 8FC8 hash in favor of BitLocker PIN + TPM 2.0 and BIOS Password with NVMe Encryption. On new XPS and Latitude 9440 models, the old master password backdoor does not exist.
However, millions of used Dell Latitude E7470, Precision T3610, and OptiPlex 7050 machines are still in circulation. These all rely on the 8FC8 algorithm. The code will remain relevant for at least another decade in the second-hand enterprise market.
If the Dell BIOS password reset tool doesn't work, you can try using a third-party tool: dell bios 8fc8 password
If your Dell has a PS/2 keyboard port (not USB), you can bypass the lock using a bootable USB.
Note: This does not work on modern Dell laptops (Latitude 5xxx/7xxx series from 2018 onward).
There are three main reasons:
Related search suggestions (for further queries):
You're looking for information on how to reset or remove the BIOS password on a Dell device with the model or board ID 8FC8. Open the laptop, disconnect the main battery and
Feature: BIOS Password Reset
The BIOS password, also known as the UEFI firmware password, is a security feature that prevents unauthorized access to the BIOS settings. If you've forgotten the password, don't worry; here are a few methods to reset or remove it:
Method 1: Using the BIOS Setup
Method 2: Using a jumper or switch
Method 3: Using a third-party tool
Method 4: Contact Dell Support
Method 5: Using a professional service
Remember: Resetting the BIOS password will erase all customized settings, so be prepared to reconfigure your BIOS settings.
For specific guidance on your Dell device with the 8FC8 model or board ID, I recommend contacting Dell support directly.
Do you have any further questions or would you like more information on these methods? For laptops: This method is obsolete
If you cannot generate a working password for your 8FC8 lock, you have three hardware options: