Just in case someone else, besides myself, missed this detail: When the Oculus Rift CV1 is not on your face, a sensor detects this, and turns the HMD display and tracking off.
Spent a few hours yesterday trying to figure out why nothing was working when everything had been working before. I was starting a 3rd party app outside of Home, and, as I did with DK1 and DK2, I would look at the lenses to see if the Rift had turned-on before putting it on my head (the logic being, no sense in putting a turned-off HMD on your face if it is obviously not on). Of course, if the CV1 turns the display off when not on a face, it isn't going to be obviously on, and since I didn't think it was on (and was unaware that it turns the display off), I didn't put it on my face (if I had, I would have then notice it turn-on). Sort of a catch-22 stalemate via ignorance on my part (which was resulting in me getting increasing annoyed, reinstalling everything, including system drivers, etc.). I'm sure there must have been some notification about this during initial runtime setup, but I have no clue where as I completely missed it.
Hopefully this post will help someone else out to avoid the frustration and extra work trying to fix a non-broken problem that I went through.