Can't get Roon to output sound

I know there is some box I must not have checked, but I’m using a merging nadac… Just setting it up now… It recognizes my laptop, but for some reason, the Roon software is not outputting to it.

iTunes plays through the system… And through Nadac, but Roon doesn’t yet.

Have you followed the steps listed here?

Can you give us some more information about your setup?