Jitterbug & JRiver

I have had no success making the connection between my computer and DAC with the Jitterbug inserted. Is there a setting in JRiver that needs to be changed? I am getting signal but no sound. I have messed with this but have not hit the right combination yet. Thanks for the look see.
Been reading a ton of reviews on the Jitterbug. I vaguely recall a mention by a reviewer of this problem which was solved - I think - by powering up the devices in the signal chain in downstream order.

Or was it in reverse order?

Wish I could be of more help. Two Jitterbugs are on my "Get ASAP" list.