Ultrastudio 4k mini on a Dell

Hi,
I am trying t setup the ultrastudio 4k mini on a dell Inspiron 7577 Laptop that has a Thunderbolt 3 port. So far, I dont get it done - I have tried the "trick" with the Media Express "activation" - but there is no device detected.
Any suggestions?
Thank you!!

Solved: with windows you always have to count with a Bios! It hadn't fully activated the Thunderbolt port!
Now my ultrastudio works just fine.

Maybe one question: is it normal that it looses every settings when cut off of the power?

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