Guest DeppJones Posted November 14, 2021 Posted November 14, 2021 My cMP 4,1 flashed to 5,1 "died" one week ago after a strange behavior. I have used the Mac for several hours with easy tasks (installed the update of Safari 15.1 during that time) and switched it off afterwards. After a few minutes it started by itself and showed the "Stop"-icon on the screen. I switched it off by pressing the power button. After some time, it started again by itself but this time it booted into MacOS. I shut it down with the shutdown-function. A few hours later, I wanted... Read more Source: MacRumors
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