My macbook Pro doesn't recognized my Seagate External hard drive

Okay I know some one has already posted this queston, but I am having issues as well. I have a 3TB Seagate external hard drive, and it accidnetly got unplugged without me ejecting it first. Now I can't get my mac or any computer to reconize it as a drive. It still runs, I can feel it running, but it is not connecting as a drive. I have an NTFS software on it, so I can read and write to the drive from both Mac/PC. I'm worried that everything on there got erase. Please can anyone help me out or help lead me to get so that my Seagate can be reconized as a drive?!!!!

Oh I also had a message that came up when I tried to reconnect it to my comptuer. This is what the message stated:
The disk you inserted was not readable by this computer.
and my only options I have are
Initialize..., Ignore, Eject
what are my options of getting my data restored? I don't care so much about the drive, I am concern about my 2TB of data on there. Please anyone help me with this!!!!! I am open to suggestions to get my data back.

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