Punch in your system's hardware to access your exact model page.
If update still fails or system is locked:
Yes, for frequent updates, consider using the Dell Command Update CLI with the /password parameter or using the encrypted password feature for automated deployments.
Stupid? Yes. Works? Also yes.
Setting a temporary password allows the update tool to fulfill its security requirement. Enter BIOS : Restart your computer and repeatedly tap as it starts up. Navigate to Security : Locate the Admin Password Set Password
I’m trying to update the BIOS on a Dell system (OptiPlex/Latitude/Precision), but the update keeps failing with the message: