Flashing l.e.d light on MBWE. Wd Discovery not finding network drive

Constant Flashing l.e.d light on MBWE 2 4tb. Wd Discovery software not finding network drive. These are the symptoms.  I have only just bought this…please help.

Make sure it is connected into a wall outlet and not a power strip

also try downloading the dicovery software from the website dont use the cd that came with it