I got a new Dell Inspiron 7347 and I upgraded my XPS 8300 to have 4 USB 3.0 ports. I also purchased a StarTech USB 3.0 HD Video Capture Device. This has allowed me to record the Dell UEFI BIOS:
Download Windows 8.1 .iso
Testing with a UEFI BIOS with SecureBoot enabled and with the Dell UEFI BIOS SLP key.