I have a Mac Mini late-2012 A1347 that will not power on. I've tried the steps to reset the SMC (unplug-wait 30s-plug-wait 5s) and still nothing happens when I press the power button. No chime, no nothing.
How can I tell if it is something as simple as replacing the power supply with something like this:
I'd rather not go to an Apple store or repair shop if I can avoid it.