Hi, well I’m wondering if you actually need to power. On/off from the wall ie removing re-powering power from unit, this will master reset things then it maybe detected and remember? Anyhow good luck.

right Ive had all the pi's from the model 1 then 2 now I've gotten the 3 well the 3 was by far the hardest to get going but this unit I was nearly convinced was faulty, and was about to send it back, then i remembered a post where the user had a proper power supply but because it had thin wires it ...