Updating dell latitude bios us voice dating
Automatic is available only when SCCM integration is selected on SCCM server page.
Make sure you select the checkbox on the bottom of the SCUP publish wizard.
Dell's BIOS update softwares, of course, only runs under Windows/DOS.
You should also do a BIOS flash on if you want the latest features on Dell you if you feel the problem in your BIOS.