Drive in Lay-Flat docking station won't mount


I have a Plugable USB 3.0 SATA Hard Drive Lay-Flat Docking Station, model# USB3-SATA-UASP1 with a Western Digital 150 GB Raptor (WD 1500ADFD) 3.5" SATA drive which I am connecting to an Apple MacBook Pro (late 2008 with 8 GB RAM). I cannot see the hard disk on either OS X 10.8.6 or Windows 7 running under Boot Camp. The docking station does show up in the Win 7 Device Manager as “asmedia ASM1053E USB Device” but the volume does not appear in Disk Manager, nor does it appear on the OS X Desktop. The drive spins up when I power up the docking station. I have tried using USB 2 and USB 3 cables. The MacBook has USB 2.0. Do I have to connect to a USB 3.0 port, or do I have a malfunctioning hard drive on my hands?



I tried the Lay-Flat with a brand-new Seagate Barracuda 750 GB drive and Disk Manager on Win 7 asked how to initialize it. So I guess my WD Raptor is kaput.


Hi Gary,

Thanks for posting back and letting us know that you narrowed down the cause to a bad hard disk! If you ever need any help or information regarding any of our products, please do feel free to shoot us an email at We are here to help!