This morning the Mac quit.
I'd spent a premium to get a top of the line device, and after about 16 months thus morning, the display shimmered and then went dark. Much of the device continues to function, as if
I press the power button I get the 'power on' chord, but I can't go far blind.
It's valuable enough that I took it to West Seattle Computers for a checkup. I trust them to do the right thing and not to overcharge, but my being unimpressed by the Mac reached a tipping point today. It's just not the magic box it pretends to be - you have to be looking at it constantly to make it work, and that's just stupid - anyone with keyboard skills can look anywhere to get things done, so the computer becomes merely a tool, not the focus.
I find myself forced to take up the bloated Windows 10. Rather than waste my time going the top of the line route, I got a cheap device with only 8 gig. It is slow but usable.