Update on Hard Drive failure
Instead of installing the old hard drive into the computer I borrowed a friends docking station. When I plug it in to the computer it doesn't recognize it as a physical drive. I go into My Computer,Admin Tools,Computer Management then under Storage I went into Disk Management the top portion says the the C drive status is healthy. On the second part of the the screen the C drive shows up as Disk 0. Under Disk 1 the old hard drive out of the My Book Essential shows up as 931.51GB unallocated. If I right click on it it shows under the General Tab as a USB device and that it is working properly.
Could it be that the MBR is missing? Is there still hope for retrieving my lost files?