On January 10th a new BIOS update was released for the OptiPlex 3040 which added 'Windows 10 Enterprise support'.
As we run Windows 10 Enterprise on these machines I'd be interested to know what support this BIOS update actually adds and whether we need to spend the time updating the existing machines.
This is mainly a user-to-user forum and only Dell can answer that question.
If your company has an assigned Technical Account Manager, that person may be your best resource.
I guess you could update one of them and see what changes and/or new options are available in BIOS...
Forum Member since 2004 I am not a Dell employee