SEtting up Desktop Video Setup with UltraStudio Mini Recorde

I used this setup in 2020 successfully with macbookpro 2015 but now I'm running 12.5.1 & computer/Desktop Video Setup doesn't recognize UltraStudioMini Recorder. Macbookpro is connected with thunderbolt 2 from UltraStudioMini Recorder inline with Canon videocamera. How can i get computer/Desktop video Setup to recognize camera/UltraStudioMini Recorder? I went to settings, security, privacy & checked items that would be relevant for this procedure. It worked in 2020 i'm not sure why it's not working now. Firewall is on in Security & Privacy. Thank you for any help.

My only guess is somewhere there is an issue between software versions of drivers and operating system, and used hardware (computer) old/new or maybe also intel or M1 cpu…(some software/hardware does not support M1 chip, check compatebility lists on the BlackMagicDesign website)
removing old drivers first before down/up grading drivers…rebooting software, after each change …
then be sure used resolutions are set correctly, and supported. (too high frame rate?)
Be sure all is real Thunderbold 2, cables and devices at both ends.