|You are using the External power supply? |
What is the voltage where you live?
Are you connecting the USB cable directly to a USB port, or to a hub?
The internal drive would have nothing to do with the external.
Where did you get the 1TB drive? The fact it shows up as 5 partitions may indicate the drive was previously partitioned and then returned, resold as new.
The second link above indicates the docking station does work.
Are you sure you understand how to manipulate the drive while in disk management.
First off, is there any text below the drive letter? IF so, what?
Right click on one of the partitions and choose properties. What does it say under the general tab?