This will prompt at the top-right corner a message saying that will boot into the one-time boot options.
Select the Onboard NIC:
Setup
Turn on the machine.
Press F2 when the Dell logo appears:
This will prompt at the top-right corner a message saying that will boot into the Setup.
Tips
The setup is huge and can be a mess. If you don't find an option, is good if you try to set defaults first just to ensure an user didn't remove the option (it happened to us):
