Does convergence dock have to be 'activated' in software?

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Hi, I have the Manjaro convergence package, just getting started with the phone. I read it's very important to do an update first thing, there is indeed a bunch of wonky stuff going on. I have the dock plugged in and powered, but the screen says "undocked". Was hoping to update through ethernet via the dock at home, that is my strongest known internet variable. Do you have to activate the dock in software?  thanks

Edit: I also note that the battery power is diminishing, although power is plugged into the dock. Which would make sense as the phone is not seeing the dock.