Instead, here’s what I do when stepping away: All the rest have been with the screensaver active.
I’ve had just one lockup out of the blue. Mercifully, the High Sierra system comes up quick and clean with no boot spinner. The only fix is to use the power button, shut down, wait a minute, then restart. All apps frozen in place and unresponsive.It did not.Ībout a week ago, that simple screensaver started locking up the High Sierra Mac as well after running for just a few hours. I mistakenly thought that the simpler, built-in screen saver would exempt me in High Sierra. I used that screensaver because, in Sierra, it appeared that the more stressing screensaver “Cosmos” would lock up my Mac Pro after about 6-12 hours. I had 20 days of continuous uptime-much of it with the default screensaver “Shell” kicked in. “ Adventures With the macOS High Sierra Install.” Other than that, High Sierra looked very stable. High SierraĪfter installing High Sierra on the 2013 Mac Pro, there was an initial email glitch which I wrote about.
It solved a major graphics freeze issue that was not in the OS the Mac Pro shipped with, Mavericks, but was rampant in Yosemite and El Capitan. In my own experience, macOS Sierra was the most stable version of macOS for my 2013 Mac Pro.