Mountain Lion w/ a Studio Edition II - firmware update?

I am running Mounain Lion 10.8.1 and my new 4TB Studio Edition II seems to mount fine right out of the box. WD support me to install this firmware ( but when I run it it says “drive not found”.

Do I even need that firmware if the drive is mounted ok?

If I do need the firmware, any advice for getting it to recognize my drive?  I have followed instrucitions and unplgugged everything except the drive I am trying to update.  And have mounted/unmounted several times.

Well, normally updates are sent to fix a problem that you might havewith the unit. However, if your unit is working properlly I dont see the why you need to update the firmware.