a new WD 750 HD is installed in a Sabrent 2.5-Inch SATA to USB 2.0 External Hard Drive Enclosure (EC-UST25). The plan is to format the drive, clone my laptop 320 gb drive to it and put the new drive in the laptop. Disk manager recognizes the enclosure but says "No media". Is this a failure of the hard drive? I'm not sure the drivers for my laptop are ATA or SATA. How would I tell and would that matter?