If you previously had a security requirement but no actual password set, you may need to configure a password first using tools like Dell Command | Configure . Additional Troubleshooting Tips
The Basic Input/Output System (BIOS) is firmware that controls and configures the hardware components of a computer. Updating the BIOS can improve system stability, add new features, and fix bugs. The update process typically involves downloading a new BIOS version from the manufacturer's website, creating a bootable USB drive, and then booting from the USB drive to update the BIOS.
If you want to continue using automated updates, you must provide the password to the software: Open . Go to Settings (gear icon) and select the BIOS tab. Enter your BIOS Admin Password in the field provided.
Dell Command Update supports encrypted BIOS passwords for secure deployment:
The most widely reported cause is a Windows Cumulative Update blocking the BIOS update process. Specifically, update KB5018496 (and later cumulative updates) interferes with Dell's BIOS update mechanism. According to Dell community posts, to install the BIOS update, you may need to uninstall layers of later Windows updates until you reach this blocking update.