Without the disks installed the power led is on. But if disk is installed in the dock, the led goes off after a few seconds. Disks are not visable.
Thanks for posting here! Sorry for the frustration! Could you shoot us an email at support @plugable.com with your Amazon Order ID and a link to this thread?
With a few questions, we’ll be able to figure out if it’s a hardware or software problem, and get you fixed up.
Thanks for your patience!