Long story short, finally got a faceplate for my headunit (N3+N1 hide), plugged everything back in, and the dreaded "Eject this disc and Please Insert the Correct Disc" message popped up (the three language one)
I assumed no big deal, stuck in the new 80 disc, it updated fine, but back to the error message.
Tried it more than a few times, didn't work. So, I fetched my 60 disk from my other nav unit (D1), forced the upgrade, and still no luck (same error), and I did follow the procedure outlined in the forums.
I know its not the laser, because the file explorer in the service menu c