With USB connection: Does WD TV Live Streaming Media Player work with a dual bay 2x4t?

I have a 4 TB My Book(2 x 2tb). It work perfect with my old wdtv live, but the wdtv live STREAM does not detect anything. 

I just checked with the old wdtv. It doesn´t work there either now. Has to be something wrong with the hdd.