M Book Essential 3TB

So I figured out my external and partiitioned to my operating system right. Once i was thru partioning I started baking up my files. About half way thru saving files. I recieved a message about my external ejected without proper ejection. Now my laptop isn’t reading my external. i have plugged in my 3.0 usb numerous times, turned on and off my external and plugged in and out of the outlet. anyone have suggesstions wtf should i do?

Hi there, did you check on disk utility in case the drive needs to be formatted again? o.o